Home / 947,262.38-1,307,153.85-517,451.27

Finding the Fourth Proportional to 947,262.38, 1,307,153.85 and 517,451.27

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Solution

The fourth proportional to 947,262.38, 1,307,153.85 and 517,451.27 is: 714,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,262.38 : 1,307,153.85 = 517,451.27 : x
  2. Step 2: Convert to fraction form
    947,262.38/1,307,153.85 = 517,451.27/x
  3. Step 3: Cross multiply
    947,262.38x = 1,307,153.85 × 517,451.27
  4. Step 4: Simplify right side
    947,262.38x = 676,388,419,767.89
  5. Step 5: Solve for x
    x = 676,388,419,767.89/947,262.38
  6. Step 6: Final answer
    x = 714,045.48

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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.