Home / 757,449.83-1,044,335.33-485,069.92

Finding the Fourth Proportional to 757,449.83, 1,044,335.33 and 485,069.92

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Solution

The fourth proportional to 757,449.83, 1,044,335.33 and 485,069.92 is: 668,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,449.83 : 1,044,335.33 = 485,069.92 : x
  2. Step 2: Convert to fraction form
    757,449.83/1,044,335.33 = 485,069.92/x
  3. Step 3: Cross multiply
    757,449.83x = 1,044,335.33 × 485,069.92
  4. Step 4: Simplify right side
    757,449.83x = 506,575,651,759.10
  5. Step 5: Solve for x
    x = 506,575,651,759.10/757,449.83
  6. Step 6: Final answer
    x = 668,791.03

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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.