Home / 928,972.40-1,393,390.91-416,796.15

Finding the Fourth Proportional to 928,972.40, 1,393,390.91 and 416,796.15

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Solution

The fourth proportional to 928,972.40, 1,393,390.91 and 416,796.15 is: 625,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,972.40 : 1,393,390.91 = 416,796.15 : x
  2. Step 2: Convert to fraction form
    928,972.40/1,393,390.91 = 416,796.15/x
  3. Step 3: Cross multiply
    928,972.40x = 1,393,390.91 × 416,796.15
  4. Step 4: Simplify right side
    928,972.40x = 580,759,964,649.02
  5. Step 5: Solve for x
    x = 580,759,964,649.02/928,972.40
  6. Step 6: Final answer
    x = 625,163.86

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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.