Home / 644,594.24-966,791.52-329,284.16

Finding the Fourth Proportional to 644,594.24, 966,791.52 and 329,284.16

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Solution

The fourth proportional to 644,594.24, 966,791.52 and 329,284.16 is: 493,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,594.24 : 966,791.52 = 329,284.16 : x
  2. Step 2: Convert to fraction form
    644,594.24/966,791.52 = 329,284.16/x
  3. Step 3: Cross multiply
    644,594.24x = 966,791.52 × 329,284.16
  4. Step 4: Simplify right side
    644,594.24x = 318,349,133,558.32
  5. Step 5: Solve for x
    x = 318,349,133,558.32/644,594.24
  6. Step 6: Final answer
    x = 493,875.24

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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.