Home / 739,270.10-1,108,905.15-403,346.90

Finding the Fourth Proportional to 739,270.10, 1,108,905.15 and 403,346.90

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Solution

The fourth proportional to 739,270.10, 1,108,905.15 and 403,346.90 is: 605,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,270.10 : 1,108,905.15 = 403,346.90 : x
  2. Step 2: Convert to fraction form
    739,270.10/1,108,905.15 = 403,346.90/x
  3. Step 3: Cross multiply
    739,270.10x = 1,108,905.15 × 403,346.90
  4. Step 4: Simplify right side
    739,270.10x = 447,273,454,646.54
  5. Step 5: Solve for x
    x = 447,273,454,646.54/739,270.10
  6. Step 6: Final answer
    x = 605,020.35

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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.