Home / 786,704.20-1,085,371.86-464,252.92

Finding the Fourth Proportional to 786,704.20, 1,085,371.86 and 464,252.92

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Solution

The fourth proportional to 786,704.20, 1,085,371.86 and 464,252.92 is: 640,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,704.20 : 1,085,371.86 = 464,252.92 : x
  2. Step 2: Convert to fraction form
    786,704.20/1,085,371.86 = 464,252.92/x
  3. Step 3: Cross multiply
    786,704.20x = 1,085,371.86 × 464,252.92
  4. Step 4: Simplify right side
    786,704.20x = 503,887,055,290.83
  5. Step 5: Solve for x
    x = 503,887,055,290.83/786,704.20
  6. Step 6: Final answer
    x = 640,503.83

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1.5x scale

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.