Home / 947,273.27-1,307,189.54-517,474.31

Finding the Fourth Proportional to 947,273.27, 1,307,189.54 and 517,474.31

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Solution

The fourth proportional to 947,273.27, 1,307,189.54 and 517,474.31 is: 714,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,273.27 : 1,307,189.54 = 517,474.31 : x
  2. Step 2: Convert to fraction form
    947,273.27/1,307,189.54 = 517,474.31/x
  3. Step 3: Cross multiply
    947,273.27x = 1,307,189.54 × 517,474.31
  4. Step 4: Simplify right side
    947,273.27x = 676,437,000,008.46
  5. Step 5: Solve for x
    x = 676,437,000,008.46/947,273.27
  6. Step 6: Final answer
    x = 714,088.56

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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.