Home / 831,587.26-1,147,590.20-469,010.34

Finding the Fourth Proportional to 831,587.26, 1,147,590.20 and 469,010.34

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Solution

The fourth proportional to 831,587.26, 1,147,590.20 and 469,010.34 is: 647,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,587.26 : 1,147,590.20 = 469,010.34 : x
  2. Step 2: Convert to fraction form
    831,587.26/1,147,590.20 = 469,010.34/x
  3. Step 3: Cross multiply
    831,587.26x = 1,147,590.20 × 469,010.34
  4. Step 4: Simplify right side
    831,587.26x = 538,231,669,882.67
  5. Step 5: Solve for x
    x = 538,231,669,882.67/831,587.26
  6. Step 6: Final answer
    x = 647,234.15

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Double scale
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1.5x scale

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.