Home / 649,385.91-895,572.38-407,691.02

Finding the Fourth Proportional to 649,385.91, 895,572.38 and 407,691.02

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Solution

The fourth proportional to 649,385.91, 895,572.38 and 407,691.02 is: 562,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,385.91 : 895,572.38 = 407,691.02 : x
  2. Step 2: Convert to fraction form
    649,385.91/895,572.38 = 407,691.02/x
  3. Step 3: Cross multiply
    649,385.91x = 895,572.38 × 407,691.02
  4. Step 4: Simplify right side
    649,385.91x = 365,116,820,344.19
  5. Step 5: Solve for x
    x = 365,116,820,344.19/649,385.91
  6. Step 6: Final answer
    x = 562,249.37

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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.