Home / 432,008.64-647,439.48-229,562.10

Finding the Fourth Proportional to 432,008.64, 647,439.48 and 229,562.10

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Solution

The fourth proportional to 432,008.64, 647,439.48 and 229,562.10 is: 344,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,008.64 : 647,439.48 = 229,562.10 : x
  2. Step 2: Convert to fraction form
    432,008.64/647,439.48 = 229,562.10/x
  3. Step 3: Cross multiply
    432,008.64x = 647,439.48 × 229,562.10
  4. Step 4: Simplify right side
    432,008.64x = 148,627,566,651.71
  5. Step 5: Solve for x
    x = 148,627,566,651.71/432,008.64
  6. Step 6: Final answer
    x = 344,038.41

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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.