Home / 890,650.91-1,229,068.36-527,859.39

Finding the Fourth Proportional to 890,650.91, 1,229,068.36 and 527,859.39

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Solution

The fourth proportional to 890,650.91, 1,229,068.36 and 527,859.39 is: 728,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,650.91 : 1,229,068.36 = 527,859.39 : x
  2. Step 2: Convert to fraction form
    890,650.91/1,229,068.36 = 527,859.39/x
  3. Step 3: Cross multiply
    890,650.91x = 1,229,068.36 × 527,859.39
  4. Step 4: Simplify right side
    890,650.91x = 648,775,280,046.73
  5. Step 5: Solve for x
    x = 648,775,280,046.73/890,650.91
  6. Step 6: Final answer
    x = 728,428.24

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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.