Home / 876,324.90-1,314,487.35-343,863.30

Finding the Fourth Proportional to 876,324.90, 1,314,487.35 and 343,863.30

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Solution

The fourth proportional to 876,324.90, 1,314,487.35 and 343,863.30 is: 515,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,324.90 : 1,314,487.35 = 343,863.30 : x
  2. Step 2: Convert to fraction form
    876,324.90/1,314,487.35 = 343,863.30/x
  3. Step 3: Cross multiply
    876,324.90x = 1,314,487.35 × 343,863.30
  4. Step 4: Simplify right side
    876,324.90x = 452,003,957,979.26
  5. Step 5: Solve for x
    x = 452,003,957,979.26/876,324.90
  6. Step 6: Final answer
    x = 515,794.95

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Double scale
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Similar ratio
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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.