Home / 749,339.10-1,124,008.65-243,947.70

Finding the Fourth Proportional to 749,339.10, 1,124,008.65 and 243,947.70

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Solution

The fourth proportional to 749,339.10, 1,124,008.65 and 243,947.70 is: 365,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,339.10 : 1,124,008.65 = 243,947.70 : x
  2. Step 2: Convert to fraction form
    749,339.10/1,124,008.65 = 243,947.70/x
  3. Step 3: Cross multiply
    749,339.10x = 1,124,008.65 × 243,947.70
  4. Step 4: Simplify right side
    749,339.10x = 274,199,324,947.61
  5. Step 5: Solve for x
    x = 274,199,324,947.61/749,339.10
  6. Step 6: Final answer
    x = 365,921.55

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