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Finding the Fourth Proportional to 531,714.12, 795,697.62 and 332,128.50

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Solution

The fourth proportional to 531,714.12, 795,697.62 and 332,128.50 is: 497,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,714.12 : 795,697.62 = 332,128.50 : x
  2. Step 2: Convert to fraction form
    531,714.12/795,697.62 = 332,128.50/x
  3. Step 3: Cross multiply
    531,714.12x = 795,697.62 × 332,128.50
  4. Step 4: Simplify right side
    531,714.12x = 264,273,856,984.17
  5. Step 5: Solve for x
    x = 264,273,856,984.17/531,714.12
  6. Step 6: Final answer
    x = 497,022.45

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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.