Home / 767,788.50-1,059,887.88-495,988.92

Finding the Fourth Proportional to 767,788.50, 1,059,887.88 and 495,988.92

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Solution

The fourth proportional to 767,788.50, 1,059,887.88 and 495,988.92 is: 684,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,788.50 : 1,059,887.88 = 495,988.92 : x
  2. Step 2: Convert to fraction form
    767,788.50/1,059,887.88 = 495,988.92/x
  3. Step 3: Cross multiply
    767,788.50x = 1,059,887.88 × 495,988.92
  4. Step 4: Simplify right side
    767,788.50x = 525,692,644,922.29
  5. Step 5: Solve for x
    x = 525,692,644,922.29/767,788.50
  6. Step 6: Final answer
    x = 684,684.19

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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.