Home / 831,076.52-1,246,521.29-223,909.65

Finding the Fourth Proportional to 831,076.52, 1,246,521.29 and 223,909.65

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Solution

The fourth proportional to 831,076.52, 1,246,521.29 and 223,909.65 is: 335,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,076.52 : 1,246,521.29 = 223,909.65 : x
  2. Step 2: Convert to fraction form
    831,076.52/1,246,521.29 = 223,909.65/x
  3. Step 3: Cross multiply
    831,076.52x = 1,246,521.29 × 223,909.65
  4. Step 4: Simplify right side
    831,076.52x = 279,108,144,641.90
  5. Step 5: Solve for x
    x = 279,108,144,641.90/831,076.52
  6. Step 6: Final answer
    x = 335,839.29

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Double scale
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1.5x scale

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.