Home / 947,456.60-1,307,434.38-517,651.16

Finding the Fourth Proportional to 947,456.60, 1,307,434.38 and 517,651.16

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Solution

The fourth proportional to 947,456.60, 1,307,434.38 and 517,651.16 is: 714,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,456.60 : 1,307,434.38 = 517,651.16 : x
  2. Step 2: Convert to fraction form
    947,456.60/1,307,434.38 = 517,651.16/x
  3. Step 3: Cross multiply
    947,456.60x = 1,307,434.38 × 517,651.16
  4. Step 4: Simplify right side
    947,456.60x = 676,794,923,430.88
  5. Step 5: Solve for x
    x = 676,794,923,430.88/947,456.60
  6. Step 6: Final answer
    x = 714,328.15

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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.