Home / 754,160.72-1,131,609.85-354,841.25

Finding the Fourth Proportional to 754,160.72, 1,131,609.85 and 354,841.25

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Solution

The fourth proportional to 754,160.72, 1,131,609.85 and 354,841.25 is: 532,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,160.72 : 1,131,609.85 = 354,841.25 : x
  2. Step 2: Convert to fraction form
    754,160.72/1,131,609.85 = 354,841.25/x
  3. Step 3: Cross multiply
    754,160.72x = 1,131,609.85 × 354,841.25
  4. Step 4: Simplify right side
    754,160.72x = 401,541,847,141.16
  5. Step 5: Solve for x
    x = 401,541,847,141.16/754,160.72
  6. Step 6: Final answer
    x = 532,435.38

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Double scale
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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.