Home / 993,930.72-1,491,071.40-363,724.80

Finding the Fourth Proportional to 993,930.72, 1,491,071.40 and 363,724.80

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Solution

The fourth proportional to 993,930.72, 1,491,071.40 and 363,724.80 is: 545,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,930.72 : 1,491,071.40 = 363,724.80 : x
  2. Step 2: Convert to fraction form
    993,930.72/1,491,071.40 = 363,724.80/x
  3. Step 3: Cross multiply
    993,930.72x = 1,491,071.40 × 363,724.80
  4. Step 4: Simplify right side
    993,930.72x = 542,339,646,750.72
  5. Step 5: Solve for x
    x = 542,339,646,750.72/993,930.72
  6. Step 6: Final answer
    x = 545,651.36

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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.