Home / 767,755.13-1,059,841.79-495,955.53

Finding the Fourth Proportional to 767,755.13, 1,059,841.79 and 495,955.53

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Solution

The fourth proportional to 767,755.13, 1,059,841.79 and 495,955.53 is: 684,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,755.13 : 1,059,841.79 = 495,955.53 : x
  2. Step 2: Convert to fraction form
    767,755.13/1,059,841.79 = 495,955.53/x
  3. Step 3: Cross multiply
    767,755.13x = 1,059,841.79 × 495,955.53
  4. Step 4: Simplify right side
    767,755.13x = 525,634,394,195.82
  5. Step 5: Solve for x
    x = 525,634,394,195.82/767,755.13
  6. Step 6: Final answer
    x = 684,638.08

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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.