Home / 947,350.86-1,307,353.38-517,630.98

Finding the Fourth Proportional to 947,350.86, 1,307,353.38 and 517,630.98

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Solution

The fourth proportional to 947,350.86, 1,307,353.38 and 517,630.98 is: 714,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,350.86 : 1,307,353.38 = 517,630.98 : x
  2. Step 2: Convert to fraction form
    947,350.86/1,307,353.38 = 517,630.98/x
  3. Step 3: Cross multiply
    947,350.86x = 1,307,353.38 × 517,630.98
  4. Step 4: Simplify right side
    947,350.86x = 676,726,611,295.71
  5. Step 5: Solve for x
    x = 676,726,611,295.71/947,350.86
  6. Step 6: Final answer
    x = 714,335.78

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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.