Home / 969,978.28-1,455,255.42-496,995.88

Finding the Fourth Proportional to 969,978.28, 1,455,255.42 and 496,995.88

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Solution

The fourth proportional to 969,978.28, 1,455,255.42 and 496,995.88 is: 745,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,978.28 : 1,455,255.42 = 496,995.88 : x
  2. Step 2: Convert to fraction form
    969,978.28/1,455,255.42 = 496,995.88/x
  3. Step 3: Cross multiply
    969,978.28x = 1,455,255.42 × 496,995.88
  4. Step 4: Simplify right side
    969,978.28x = 723,255,948,087.67
  5. Step 5: Solve for x
    x = 723,255,948,087.67/969,978.28
  6. Step 6: Final answer
    x = 745,641.38

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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.