Home / 929,968.20-1,394,952.30-398,527.20

Finding the Fourth Proportional to 929,968.20, 1,394,952.30 and 398,527.20

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Solution

The fourth proportional to 929,968.20, 1,394,952.30 and 398,527.20 is: 597,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,968.20 : 1,394,952.30 = 398,527.20 : x
  2. Step 2: Convert to fraction form
    929,968.20/1,394,952.30 = 398,527.20/x
  3. Step 3: Cross multiply
    929,968.20x = 1,394,952.30 × 398,527.20
  4. Step 4: Simplify right side
    929,968.20x = 555,926,434,252.56
  5. Step 5: Solve for x
    x = 555,926,434,252.56/929,968.20
  6. Step 6: Final answer
    x = 597,790.80

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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.