Home / 754,685.40-1,132,028.10-355,193.40

Finding the Fourth Proportional to 754,685.40, 1,132,028.10 and 355,193.40

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Solution

The fourth proportional to 754,685.40, 1,132,028.10 and 355,193.40 is: 532,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,685.40 : 1,132,028.10 = 355,193.40 : x
  2. Step 2: Convert to fraction form
    754,685.40/1,132,028.10 = 355,193.40/x
  3. Step 3: Cross multiply
    754,685.40x = 1,132,028.10 × 355,193.40
  4. Step 4: Simplify right side
    754,685.40x = 402,088,909,734.54
  5. Step 5: Solve for x
    x = 402,088,909,734.54/754,685.40
  6. Step 6: Final answer
    x = 532,790.10

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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.