Home / 890,876.20-1,336,132.86-329,777.32

Finding the Fourth Proportional to 890,876.20, 1,336,132.86 and 329,777.32

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Solution

The fourth proportional to 890,876.20, 1,336,132.86 and 329,777.32 is: 494,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,876.20 : 1,336,132.86 = 329,777.32 : x
  2. Step 2: Convert to fraction form
    890,876.20/1,336,132.86 = 329,777.32/x
  3. Step 3: Cross multiply
    890,876.20x = 1,336,132.86 × 329,777.32
  4. Step 4: Simplify right side
    890,876.20x = 440,626,313,734.74
  5. Step 5: Solve for x
    x = 440,626,313,734.74/890,876.20
  6. Step 6: Final answer
    x = 494,598.82

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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.