Home / 471,007.10-649,983.67-256,142.55

Finding the Fourth Proportional to 471,007.10, 649,983.67 and 256,142.55

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Solution

The fourth proportional to 471,007.10, 649,983.67 and 256,142.55 is: 353,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,007.10 : 649,983.67 = 256,142.55 : x
  2. Step 2: Convert to fraction form
    471,007.10/649,983.67 = 256,142.55/x
  3. Step 3: Cross multiply
    471,007.10x = 649,983.67 × 256,142.55
  4. Step 4: Simplify right side
    471,007.10x = 166,488,474,692.16
  5. Step 5: Solve for x
    x = 166,488,474,692.16/471,007.10
  6. Step 6: Final answer
    x = 353,473.39

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1.5x scale

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.