Home / 724,205.80-1,086,405.90-251,036.20

Finding the Fourth Proportional to 724,205.80, 1,086,405.90 and 251,036.20

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Solution

The fourth proportional to 724,205.80, 1,086,405.90 and 251,036.20 is: 376,587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,205.80 : 1,086,405.90 = 251,036.20 : x
  2. Step 2: Convert to fraction form
    724,205.80/1,086,405.90 = 251,036.20/x
  3. Step 3: Cross multiply
    724,205.80x = 1,086,405.90 × 251,036.20
  4. Step 4: Simplify right side
    724,205.80x = 272,727,208,793.58
  5. Step 5: Solve for x
    x = 272,727,208,793.58/724,205.80
  6. Step 6: Final answer
    x = 376,587.99

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Double scale
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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.