Home / 890,729.20-1,332,983.40-623,234.80

Finding the Fourth Proportional to 890,729.20, 1,332,983.40 and 623,234.80

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Solution

The fourth proportional to 890,729.20, 1,332,983.40 and 623,234.80 is: 932,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,729.20 : 1,332,983.40 = 623,234.80 : x
  2. Step 2: Convert to fraction form
    890,729.20/1,332,983.40 = 623,234.80/x
  3. Step 3: Cross multiply
    890,729.20x = 1,332,983.40 × 623,234.80
  4. Step 4: Simplify right side
    890,729.20x = 830,761,642,702.32
  5. Step 5: Solve for x
    x = 830,761,642,702.32/890,729.20
  6. Step 6: Final answer
    x = 932,675.88

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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.