Home / 482,600.30-723,900.45-429,456.20

Finding the Fourth Proportional to 482,600.30, 723,900.45 and 429,456.20

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Solution

The fourth proportional to 482,600.30, 723,900.45 and 429,456.20 is: 644,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,600.30 : 723,900.45 = 429,456.20 : x
  2. Step 2: Convert to fraction form
    482,600.30/723,900.45 = 429,456.20/x
  3. Step 3: Cross multiply
    482,600.30x = 723,900.45 × 429,456.20
  4. Step 4: Simplify right side
    482,600.30x = 310,883,536,435.29
  5. Step 5: Solve for x
    x = 310,883,536,435.29/482,600.30
  6. Step 6: Final answer
    x = 644,184.30

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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.