Home / 890,450.92-1,336,200.54-329,876.20

Finding the Fourth Proportional to 890,450.92, 1,336,200.54 and 329,876.20

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Solution

The fourth proportional to 890,450.92, 1,336,200.54 and 329,876.20 is: 495,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,450.92 : 1,336,200.54 = 329,876.20 : x
  2. Step 2: Convert to fraction form
    890,450.92/1,336,200.54 = 329,876.20/x
  3. Step 3: Cross multiply
    890,450.92x = 1,336,200.54 × 329,876.20
  4. Step 4: Simplify right side
    890,450.92x = 440,780,756,573.15
  5. Step 5: Solve for x
    x = 440,780,756,573.15/890,450.92
  6. Step 6: Final answer
    x = 495,008.48

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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.