Home / 649,590.56-895,990.20-423,542.24

Finding the Fourth Proportional to 649,590.56, 895,990.20 and 423,542.24

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Solution

The fourth proportional to 649,590.56, 895,990.20 and 423,542.24 is: 584,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,590.56 : 895,990.20 = 423,542.24 : x
  2. Step 2: Convert to fraction form
    649,590.56/895,990.20 = 423,542.24/x
  3. Step 3: Cross multiply
    649,590.56x = 895,990.20 × 423,542.24
  4. Step 4: Simplify right side
    649,590.56x = 379,489,696,326.05
  5. Step 5: Solve for x
    x = 379,489,696,326.05/649,590.56
  6. Step 6: Final answer
    x = 584,198.29

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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.