Home / 465,124.38-642,752.73-396,204.18

Finding the Fourth Proportional to 465,124.38, 642,752.73 and 396,204.18

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Solution

The fourth proportional to 465,124.38, 642,752.73 and 396,204.18 is: 547,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,124.38 : 642,752.73 = 396,204.18 : x
  2. Step 2: Convert to fraction form
    465,124.38/642,752.73 = 396,204.18/x
  3. Step 3: Cross multiply
    465,124.38x = 642,752.73 × 396,204.18
  4. Step 4: Simplify right side
    465,124.38x = 254,661,318,332.41
  5. Step 5: Solve for x
    x = 254,661,318,332.41/465,124.38
  6. Step 6: Final answer
    x = 547,512.30

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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.