Home / 890,695.76-1,229,127.22-482,788.85

Finding the Fourth Proportional to 890,695.76, 1,229,127.22 and 482,788.85

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Solution

The fourth proportional to 890,695.76, 1,229,127.22 and 482,788.85 is: 666,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,695.76 : 1,229,127.22 = 482,788.85 : x
  2. Step 2: Convert to fraction form
    890,695.76/1,229,127.22 = 482,788.85/x
  3. Step 3: Cross multiply
    890,695.76x = 1,229,127.22 × 482,788.85
  4. Step 4: Simplify right side
    890,695.76x = 593,408,909,694.89
  5. Step 5: Solve for x
    x = 593,408,909,694.89/890,695.76
  6. Step 6: Final answer
    x = 666,230.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.