Home / 681,845.47-1,023,017.61-317,280.95

Finding the Fourth Proportional to 681,845.47, 1,023,017.61 and 317,280.95

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Solution

The fourth proportional to 681,845.47, 1,023,017.61 and 317,280.95 is: 476,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,845.47 : 1,023,017.61 = 317,280.95 : x
  2. Step 2: Convert to fraction form
    681,845.47/1,023,017.61 = 317,280.95/x
  3. Step 3: Cross multiply
    681,845.47x = 1,023,017.61 × 317,280.95
  4. Step 4: Simplify right side
    681,845.47x = 324,584,000,535.27
  5. Step 5: Solve for x
    x = 324,584,000,535.27/681,845.47
  6. Step 6: Final answer
    x = 476,037.48

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1.5x scale

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.