Home / 815,834.46-1,125,785.55-471,692.47

Finding the Fourth Proportional to 815,834.46, 1,125,785.55 and 471,692.47

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Solution

The fourth proportional to 815,834.46, 1,125,785.55 and 471,692.47 is: 650,897.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,834.46 : 1,125,785.55 = 471,692.47 : x
  2. Step 2: Convert to fraction form
    815,834.46/1,125,785.55 = 471,692.47/x
  3. Step 3: Cross multiply
    815,834.46x = 1,125,785.55 × 471,692.47
  4. Step 4: Simplify right side
    815,834.46x = 531,024,565,362.58
  5. Step 5: Solve for x
    x = 531,024,565,362.58/815,834.46
  6. Step 6: Final answer
    x = 650,897.44

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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.