Home / 739,065.80-1,108,598.70-656,397.20

Finding the Fourth Proportional to 739,065.80, 1,108,598.70 and 656,397.20

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Solution

The fourth proportional to 739,065.80, 1,108,598.70 and 656,397.20 is: 984,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,065.80 : 1,108,598.70 = 656,397.20 : x
  2. Step 2: Convert to fraction form
    739,065.80/1,108,598.70 = 656,397.20/x
  3. Step 3: Cross multiply
    739,065.80x = 1,108,598.70 × 656,397.20
  4. Step 4: Simplify right side
    739,065.80x = 727,681,082,603.64
  5. Step 5: Solve for x
    x = 727,681,082,603.64/739,065.80
  6. Step 6: Final answer
    x = 984,595.80

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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.