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Finding the Fourth Proportional to 898,068.92, 1,347,103.31 and 329,235.03

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Solution

The fourth proportional to 898,068.92, 1,347,103.31 and 329,235.03 is: 493,852.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,068.92 : 1,347,103.31 = 329,235.03 : x
  2. Step 2: Convert to fraction form
    898,068.92/1,347,103.31 = 329,235.03/x
  3. Step 3: Cross multiply
    898,068.92x = 1,347,103.31 × 329,235.03
  4. Step 4: Simplify right side
    898,068.92x = 443,513,597,034.77
  5. Step 5: Solve for x
    x = 443,513,597,034.77/898,068.92
  6. Step 6: Final answer
    x = 493,852.52

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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.