Home / 987,216.57-1,480,824.85-239,262.57

Finding the Fourth Proportional to 987,216.57, 1,480,824.85 and 239,262.57

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Solution

The fourth proportional to 987,216.57, 1,480,824.85 and 239,262.57 is: 358,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,216.57 : 1,480,824.85 = 239,262.57 : x
  2. Step 2: Convert to fraction form
    987,216.57/1,480,824.85 = 239,262.57/x
  3. Step 3: Cross multiply
    987,216.57x = 1,480,824.85 × 239,262.57
  4. Step 4: Simplify right side
    987,216.57x = 354,305,959,330.87
  5. Step 5: Solve for x
    x = 354,305,959,330.87/987,216.57
  6. Step 6: Final answer
    x = 358,893.85

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1.5x scale

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.