Home / 744,380.87-1,116,465.68-238,876.47

Finding the Fourth Proportional to 744,380.87, 1,116,465.68 and 238,876.47

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Solution

The fourth proportional to 744,380.87, 1,116,465.68 and 238,876.47 is: 358,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,380.87 : 1,116,465.68 = 238,876.47 : x
  2. Step 2: Convert to fraction form
    744,380.87/1,116,465.68 = 238,876.47/x
  3. Step 3: Cross multiply
    744,380.87x = 1,116,465.68 × 238,876.47
  4. Step 4: Simplify right side
    744,380.87x = 266,697,379,320.17
  5. Step 5: Solve for x
    x = 266,697,379,320.17/744,380.87
  6. Step 6: Final answer
    x = 358,280.81

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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.