Home / 679,132.80-1,017,955.20-341,635.20

Finding the Fourth Proportional to 679,132.80, 1,017,955.20 and 341,635.20

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Solution

The fourth proportional to 679,132.80, 1,017,955.20 and 341,635.20 is: 512,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,132.80 : 1,017,955.20 = 341,635.20 : x
  2. Step 2: Convert to fraction form
    679,132.80/1,017,955.20 = 341,635.20/x
  3. Step 3: Cross multiply
    679,132.80x = 1,017,955.20 × 341,635.20
  4. Step 4: Simplify right side
    679,132.80x = 347,769,328,343.04
  5. Step 5: Solve for x
    x = 347,769,328,343.04/679,132.80
  6. Step 6: Final answer
    x = 512,078.53

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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.