Home / 739,209.70-1,108,814.55-206,772.40

Finding the Fourth Proportional to 739,209.70, 1,108,814.55 and 206,772.40

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Solution

The fourth proportional to 739,209.70, 1,108,814.55 and 206,772.40 is: 310,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,209.70 : 1,108,814.55 = 206,772.40 : x
  2. Step 2: Convert to fraction form
    739,209.70/1,108,814.55 = 206,772.40/x
  3. Step 3: Cross multiply
    739,209.70x = 1,108,814.55 × 206,772.40
  4. Step 4: Simplify right side
    739,209.70x = 229,272,245,658.42
  5. Step 5: Solve for x
    x = 229,272,245,658.42/739,209.70
  6. Step 6: Final answer
    x = 310,158.60

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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.