Home / 986,692.50-1,480,272.75-321,844.50

Finding the Fourth Proportional to 986,692.50, 1,480,272.75 and 321,844.50

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Solution

The fourth proportional to 986,692.50, 1,480,272.75 and 321,844.50 is: 482,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,692.50 : 1,480,272.75 = 321,844.50 : x
  2. Step 2: Convert to fraction form
    986,692.50/1,480,272.75 = 321,844.50/x
  3. Step 3: Cross multiply
    986,692.50x = 1,480,272.75 × 321,844.50
  4. Step 4: Simplify right side
    986,692.50x = 476,417,643,087.38
  5. Step 5: Solve for x
    x = 476,417,643,087.38/986,692.50
  6. Step 6: Final answer
    x = 482,843.08

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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.