Home / 644,592.24-966,788.52-329,282.16

Finding the Fourth Proportional to 644,592.24, 966,788.52 and 329,282.16

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Solution

The fourth proportional to 644,592.24, 966,788.52 and 329,282.16 is: 493,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,592.24 : 966,788.52 = 329,282.16 : x
  2. Step 2: Convert to fraction form
    644,592.24/966,788.52 = 329,282.16/x
  3. Step 3: Cross multiply
    644,592.24x = 966,788.52 × 329,282.16
  4. Step 4: Simplify right side
    644,592.24x = 318,346,212,128.80
  5. Step 5: Solve for x
    x = 318,346,212,128.80/644,592.24
  6. Step 6: Final answer
    x = 493,872.24

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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.