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Finding the Fourth Proportional to 507,577.60, 761,306.96 and 203,959.52

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Solution

The fourth proportional to 507,577.60, 761,306.96 and 203,959.52 is: 305,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,577.60 : 761,306.96 = 203,959.52 : x
  2. Step 2: Convert to fraction form
    507,577.60/761,306.96 = 203,959.52/x
  3. Step 3: Cross multiply
    507,577.60x = 761,306.96 × 203,959.52
  4. Step 4: Simplify right side
    507,577.60x = 155,275,802,134.26
  5. Step 5: Solve for x
    x = 155,275,802,134.26/507,577.60
  6. Step 6: Final answer
    x = 305,915.40

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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.