Home / 929,780.16-1,394,670.24-649,844.16

Finding the Fourth Proportional to 929,780.16, 1,394,670.24 and 649,844.16

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Solution

The fourth proportional to 929,780.16, 1,394,670.24 and 649,844.16 is: 974,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,780.16 : 1,394,670.24 = 649,844.16 : x
  2. Step 2: Convert to fraction form
    929,780.16/1,394,670.24 = 649,844.16/x
  3. Step 3: Cross multiply
    929,780.16x = 1,394,670.24 × 649,844.16
  4. Step 4: Simplify right side
    929,780.16x = 906,318,310,589.80
  5. Step 5: Solve for x
    x = 906,318,310,589.80/929,780.16
  6. Step 6: Final answer
    x = 974,766.24

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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.