Home / 727,972.80-1,091,959.20-413,044.80

Finding the Fourth Proportional to 727,972.80, 1,091,959.20 and 413,044.80

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Solution

The fourth proportional to 727,972.80, 1,091,959.20 and 413,044.80 is: 619,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,972.80 : 1,091,959.20 = 413,044.80 : x
  2. Step 2: Convert to fraction form
    727,972.80/1,091,959.20 = 413,044.80/x
  3. Step 3: Cross multiply
    727,972.80x = 1,091,959.20 × 413,044.80
  4. Step 4: Simplify right side
    727,972.80x = 451,028,069,372.16
  5. Step 5: Solve for x
    x = 451,028,069,372.16/727,972.80
  6. Step 6: Final answer
    x = 619,567.20

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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.