Home / 681,663.60-1,022,495.40-491,722.65

Finding the Fourth Proportional to 681,663.60, 1,022,495.40 and 491,722.65

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Solution

The fourth proportional to 681,663.60, 1,022,495.40 and 491,722.65 is: 737,583.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,663.60 : 1,022,495.40 = 491,722.65 : x
  2. Step 2: Convert to fraction form
    681,663.60/1,022,495.40 = 491,722.65/x
  3. Step 3: Cross multiply
    681,663.60x = 1,022,495.40 × 491,722.65
  4. Step 4: Simplify right side
    681,663.60x = 502,784,147,700.81
  5. Step 5: Solve for x
    x = 502,784,147,700.81/681,663.60
  6. Step 6: Final answer
    x = 737,583.98

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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.