Home / 986,696.82-1,480,279.22-321,848.82

Finding the Fourth Proportional to 986,696.82, 1,480,279.22 and 321,848.82

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Solution

The fourth proportional to 986,696.82, 1,480,279.22 and 321,848.82 is: 482,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,696.82 : 1,480,279.22 = 321,848.82 : x
  2. Step 2: Convert to fraction form
    986,696.82/1,480,279.22 = 321,848.82/x
  3. Step 3: Cross multiply
    986,696.82x = 1,480,279.22 × 321,848.82
  4. Step 4: Simplify right side
    986,696.82x = 476,426,118,618.28
  5. Step 5: Solve for x
    x = 476,426,118,618.28/986,696.82
  6. Step 6: Final answer
    x = 482,849.55

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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.