Home / 739,025.70-1,108,279.35-383,921.70

Finding the Fourth Proportional to 739,025.70, 1,108,279.35 and 383,921.70

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Solution

The fourth proportional to 739,025.70, 1,108,279.35 and 383,921.70 is: 575,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,025.70 : 1,108,279.35 = 383,921.70 : x
  2. Step 2: Convert to fraction form
    739,025.70/1,108,279.35 = 383,921.70/x
  3. Step 3: Cross multiply
    739,025.70x = 1,108,279.35 × 383,921.70
  4. Step 4: Simplify right side
    739,025.70x = 425,492,492,126.90
  5. Step 5: Solve for x
    x = 425,492,492,126.90/739,025.70
  6. Step 6: Final answer
    x = 575,747.90

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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.