Home / 1,029,902.10-1,544,853.15-320,147.70

Finding the Fourth Proportional to 1,029,902.10, 1,544,853.15 and 320,147.70

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Solution

The fourth proportional to 1,029,902.10, 1,544,853.15 and 320,147.70 is: 480,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,902.10 : 1,544,853.15 = 320,147.70 : x
  2. Step 2: Convert to fraction form
    1,029,902.10/1,544,853.15 = 320,147.70/x
  3. Step 3: Cross multiply
    1,029,902.10x = 1,544,853.15 × 320,147.70
  4. Step 4: Simplify right side
    1,029,902.10x = 494,581,182,810.26
  5. Step 5: Solve for x
    x = 494,581,182,810.26/1,029,902.10
  6. Step 6: Final answer
    x = 480,221.55

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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.