Home / 648,002.62-972,437.87-268,923.70

Finding the Fourth Proportional to 648,002.62, 972,437.87 and 268,923.70

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Solution

The fourth proportional to 648,002.62, 972,437.87 and 268,923.70 is: 403,565.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,002.62 : 972,437.87 = 268,923.70 : x
  2. Step 2: Convert to fraction form
    648,002.62/972,437.87 = 268,923.70/x
  3. Step 3: Cross multiply
    648,002.62x = 972,437.87 × 268,923.70
  4. Step 4: Simplify right side
    648,002.62x = 261,511,588,675.90
  5. Step 5: Solve for x
    x = 261,511,588,675.90/648,002.62
  6. Step 6: Final answer
    x = 403,565.63

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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.