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Finding the Fourth Proportional to 493,779.29, 740,557.97 and 294,156.41

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Solution

The fourth proportional to 493,779.29, 740,557.97 and 294,156.41 is: 441,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,779.29 : 740,557.97 = 294,156.41 : x
  2. Step 2: Convert to fraction form
    493,779.29/740,557.97 = 294,156.41/x
  3. Step 3: Cross multiply
    493,779.29x = 740,557.97 × 294,156.41
  4. Step 4: Simplify right side
    493,779.29x = 217,839,873,119.93
  5. Step 5: Solve for x
    x = 217,839,873,119.93/493,779.29
  6. Step 6: Final answer
    x = 441,168.51

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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.