Home / 869,559.48-1,199,990.92-482,433.60

Finding the Fourth Proportional to 869,559.48, 1,199,990.92 and 482,433.60

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Solution

The fourth proportional to 869,559.48, 1,199,990.92 and 482,433.60 is: 665,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,559.48 : 1,199,990.92 = 482,433.60 : x
  2. Step 2: Convert to fraction form
    869,559.48/1,199,990.92 = 482,433.60/x
  3. Step 3: Cross multiply
    869,559.48x = 1,199,990.92 × 482,433.60
  4. Step 4: Simplify right side
    869,559.48x = 578,915,939,502.91
  5. Step 5: Solve for x
    x = 578,915,939,502.91/869,559.48
  6. Step 6: Final answer
    x = 665,757.72

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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.