Home / 651,862.20-899,553.78-361,472.16

Finding the Fourth Proportional to 651,862.20, 899,553.78 and 361,472.16

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Solution

The fourth proportional to 651,862.20, 899,553.78 and 361,472.16 is: 498,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,862.20 : 899,553.78 = 361,472.16 : x
  2. Step 2: Convert to fraction form
    651,862.20/899,553.78 = 361,472.16/x
  3. Step 3: Cross multiply
    651,862.20x = 899,553.78 × 361,472.16
  4. Step 4: Simplify right side
    651,862.20x = 325,163,647,892.77
  5. Step 5: Solve for x
    x = 325,163,647,892.77/651,862.20
  6. Step 6: Final answer
    x = 498,822.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.