Home / 887,652.30-1,331,262.45-256,500.30

Finding the Fourth Proportional to 887,652.30, 1,331,262.45 and 256,500.30

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Solution

The fourth proportional to 887,652.30, 1,331,262.45 and 256,500.30 is: 384,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,652.30 : 1,331,262.45 = 256,500.30 : x
  2. Step 2: Convert to fraction form
    887,652.30/1,331,262.45 = 256,500.30/x
  3. Step 3: Cross multiply
    887,652.30x = 1,331,262.45 × 256,500.30
  4. Step 4: Simplify right side
    887,652.30x = 341,469,217,803.74
  5. Step 5: Solve for x
    x = 341,469,217,803.74/887,652.30
  6. Step 6: Final answer
    x = 384,688.03

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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.