Home / 1,095,084.80-1,642,627.20-385,107.20

Finding the Fourth Proportional to 1,095,084.80, 1,642,627.20 and 385,107.20

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Solution

The fourth proportional to 1,095,084.80, 1,642,627.20 and 385,107.20 is: 577,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,084.80 : 1,642,627.20 = 385,107.20 : x
  2. Step 2: Convert to fraction form
    1,095,084.80/1,642,627.20 = 385,107.20/x
  3. Step 3: Cross multiply
    1,095,084.80x = 1,642,627.20 × 385,107.20
  4. Step 4: Simplify right side
    1,095,084.80x = 632,587,561,635.84
  5. Step 5: Solve for x
    x = 632,587,561,635.84/1,095,084.80
  6. Step 6: Final answer
    x = 577,660.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.