Home / 947,897.28-1,308,095.04-518,177.28

Finding the Fourth Proportional to 947,897.28, 1,308,095.04 and 518,177.28

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Solution

The fourth proportional to 947,897.28, 1,308,095.04 and 518,177.28 is: 715,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,897.28 : 1,308,095.04 = 518,177.28 : x
  2. Step 2: Convert to fraction form
    947,897.28/1,308,095.04 = 518,177.28/x
  3. Step 3: Cross multiply
    947,897.28x = 1,308,095.04 × 518,177.28
  4. Step 4: Simplify right side
    947,897.28x = 677,825,129,808.69
  5. Step 5: Solve for x
    x = 677,825,129,808.69/947,897.28
  6. Step 6: Final answer
    x = 715,082.89

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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.