Home / 748,998.49-1,033,543.65-426,689.38

Finding the Fourth Proportional to 748,998.49, 1,033,543.65 and 426,689.38

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Solution

The fourth proportional to 748,998.49, 1,033,543.65 and 426,689.38 is: 588,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,998.49 : 1,033,543.65 = 426,689.38 : x
  2. Step 2: Convert to fraction form
    748,998.49/1,033,543.65 = 426,689.38/x
  3. Step 3: Cross multiply
    748,998.49x = 1,033,543.65 × 426,689.38
  4. Step 4: Simplify right side
    748,998.49x = 441,002,099,221.44
  5. Step 5: Solve for x
    x = 441,002,099,221.44/748,998.49
  6. Step 6: Final answer
    x = 588,789.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.