Home / 1,095,470.30-1,643,205.45-385,492.70

Finding the Fourth Proportional to 1,095,470.30, 1,643,205.45 and 385,492.70

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Solution

The fourth proportional to 1,095,470.30, 1,643,205.45 and 385,492.70 is: 578,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,470.30 : 1,643,205.45 = 385,492.70 : x
  2. Step 2: Convert to fraction form
    1,095,470.30/1,643,205.45 = 385,492.70/x
  3. Step 3: Cross multiply
    1,095,470.30x = 1,643,205.45 × 385,492.70
  4. Step 4: Simplify right side
    1,095,470.30x = 633,443,705,575.22
  5. Step 5: Solve for x
    x = 633,443,705,575.22/1,095,470.30
  6. Step 6: Final answer
    x = 578,239.05

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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.