Home / 747,015.38-1,120,532.81-248,379.38

Finding the Fourth Proportional to 747,015.38, 1,120,532.81 and 248,379.38

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Solution

The fourth proportional to 747,015.38, 1,120,532.81 and 248,379.38 is: 372,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,015.38 : 1,120,532.81 = 248,379.38 : x
  2. Step 2: Convert to fraction form
    747,015.38/1,120,532.81 = 248,379.38/x
  3. Step 3: Cross multiply
    747,015.38x = 1,120,532.81 × 248,379.38
  4. Step 4: Simplify right side
    747,015.38x = 278,317,237,772.90
  5. Step 5: Solve for x
    x = 278,317,237,772.90/747,015.38
  6. Step 6: Final answer
    x = 372,572.30

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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.