Home / 749,789.50-1,034,709.51-410,257.75

Finding the Fourth Proportional to 749,789.50, 1,034,709.51 and 410,257.75

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Solution

The fourth proportional to 749,789.50, 1,034,709.51 and 410,257.75 is: 566,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,789.50 : 1,034,709.51 = 410,257.75 : x
  2. Step 2: Convert to fraction form
    749,789.50/1,034,709.51 = 410,257.75/x
  3. Step 3: Cross multiply
    749,789.50x = 1,034,709.51 × 410,257.75
  4. Step 4: Simplify right side
    749,789.50x = 424,497,595,476.20
  5. Step 5: Solve for x
    x = 424,497,595,476.20/749,789.50
  6. Step 6: Final answer
    x = 566,155.70

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.