Home / 724,437.65-1,086,656.46-251,123.06

Finding the Fourth Proportional to 724,437.65, 1,086,656.46 and 251,123.06

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Solution

The fourth proportional to 724,437.65, 1,086,656.46 and 251,123.06 is: 376,684.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,437.65 : 1,086,656.46 = 251,123.06 : x
  2. Step 2: Convert to fraction form
    724,437.65/1,086,656.46 = 251,123.06/x
  3. Step 3: Cross multiply
    724,437.65x = 1,086,656.46 × 251,123.06
  4. Step 4: Simplify right side
    724,437.65x = 272,884,489,970.69
  5. Step 5: Solve for x
    x = 272,884,489,970.69/724,437.65
  6. Step 6: Final answer
    x = 376,684.58

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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.