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Finding the Fourth Proportional to 602,714.28, 901,912.80 and 521,941.08

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Solution

The fourth proportional to 602,714.28, 901,912.80 and 521,941.08 is: 781,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,714.28 : 901,912.80 = 521,941.08 : x
  2. Step 2: Convert to fraction form
    602,714.28/901,912.80 = 521,941.08/x
  3. Step 3: Cross multiply
    602,714.28x = 901,912.80 × 521,941.08
  4. Step 4: Simplify right side
    602,714.28x = 470,745,340,897.82
  5. Step 5: Solve for x
    x = 470,745,340,897.82/602,714.28
  6. Step 6: Final answer
    x = 781,042.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.