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Finding the Fourth Proportional to 643,162.88, 960,059.92 and 595,729.28

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Solution

The fourth proportional to 643,162.88, 960,059.92 and 595,729.28 is: 889,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,162.88 : 960,059.92 = 595,729.28 : x
  2. Step 2: Convert to fraction form
    643,162.88/960,059.92 = 595,729.28/x
  3. Step 3: Cross multiply
    643,162.88x = 960,059.92 × 595,729.28
  4. Step 4: Simplify right side
    643,162.88x = 571,935,804,898.46
  5. Step 5: Solve for x
    x = 571,935,804,898.46/643,162.88
  6. Step 6: Final answer
    x = 889,255.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.