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Finding the Fourth Proportional to 479,644.89, 719,342.03 and 142,594.79

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Solution

The fourth proportional to 479,644.89, 719,342.03 and 142,594.79 is: 213,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,644.89 : 719,342.03 = 142,594.79 : x
  2. Step 2: Convert to fraction form
    479,644.89/719,342.03 = 142,594.79/x
  3. Step 3: Cross multiply
    479,644.89x = 719,342.03 × 142,594.79
  4. Step 4: Simplify right side
    479,644.89x = 102,574,421,396.34
  5. Step 5: Solve for x
    x = 102,574,421,396.34/479,644.89
  6. Step 6: Final answer
    x = 213,854.92

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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.