Home / 920,158.82-1,380,519.92-471,197.57

Finding the Fourth Proportional to 920,158.82, 1,380,519.92 and 471,197.57

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Solution

The fourth proportional to 920,158.82, 1,380,519.92 and 471,197.57 is: 706,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,158.82 : 1,380,519.92 = 471,197.57 : x
  2. Step 2: Convert to fraction form
    920,158.82/1,380,519.92 = 471,197.57/x
  3. Step 3: Cross multiply
    920,158.82x = 1,380,519.92 × 471,197.57
  4. Step 4: Simplify right side
    920,158.82x = 650,497,625,915.99
  5. Step 5: Solve for x
    x = 650,497,625,915.99/920,158.82
  6. Step 6: Final answer
    x = 706,940.60

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Double scale
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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.