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Finding the Fourth Proportional to 574,702.67, 862,250.93 and 219,818.18

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Solution

The fourth proportional to 574,702.67, 862,250.93 and 219,818.18 is: 329,802.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,702.67 : 862,250.93 = 219,818.18 : x
  2. Step 2: Convert to fraction form
    574,702.67/862,250.93 = 219,818.18/x
  3. Step 3: Cross multiply
    574,702.67x = 862,250.93 × 219,818.18
  4. Step 4: Simplify right side
    574,702.67x = 189,538,430,135.91
  5. Step 5: Solve for x
    x = 189,538,430,135.91/574,702.67
  6. Step 6: Final answer
    x = 329,802.59

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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.