Home / 691,776.10-1,037,664.15-243,003.70

Finding the Fourth Proportional to 691,776.10, 1,037,664.15 and 243,003.70

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Solution

The fourth proportional to 691,776.10, 1,037,664.15 and 243,003.70 is: 364,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,776.10 : 1,037,664.15 = 243,003.70 : x
  2. Step 2: Convert to fraction form
    691,776.10/1,037,664.15 = 243,003.70/x
  3. Step 3: Cross multiply
    691,776.10x = 1,037,664.15 × 243,003.70
  4. Step 4: Simplify right side
    691,776.10x = 252,156,227,807.36
  5. Step 5: Solve for x
    x = 252,156,227,807.36/691,776.10
  6. Step 6: Final answer
    x = 364,505.55

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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.