Home / 986,695.31-1,480,276.97-321,847.31

Finding the Fourth Proportional to 986,695.31, 1,480,276.97 and 321,847.31

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Solution

The fourth proportional to 986,695.31, 1,480,276.97 and 321,847.31 is: 482,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,695.31 : 1,480,276.97 = 321,847.31 : x
  2. Step 2: Convert to fraction form
    986,695.31/1,480,276.97 = 321,847.31/x
  3. Step 3: Cross multiply
    986,695.31x = 1,480,276.97 × 321,847.31
  4. Step 4: Simplify right side
    986,695.31x = 476,423,164,147.83
  5. Step 5: Solve for x
    x = 476,423,164,147.83/986,695.31
  6. Step 6: Final answer
    x = 482,847.30

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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.