Home / 840,253.91-1,159,350.98-477,649.10

Finding the Fourth Proportional to 840,253.91, 1,159,350.98 and 477,649.10

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Solution

The fourth proportional to 840,253.91, 1,159,350.98 and 477,649.10 is: 659,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,253.91 : 1,159,350.98 = 477,649.10 : x
  2. Step 2: Convert to fraction form
    840,253.91/1,159,350.98 = 477,649.10/x
  3. Step 3: Cross multiply
    840,253.91x = 1,159,350.98 × 477,649.10
  4. Step 4: Simplify right side
    840,253.91x = 553,762,952,691.25
  5. Step 5: Solve for x
    x = 553,762,952,691.25/840,253.91
  6. Step 6: Final answer
    x = 659,042.40

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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.