Home / 412,242.28-617,558.10-284,135.80

Finding the Fourth Proportional to 412,242.28, 617,558.10 and 284,135.80

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Solution

The fourth proportional to 412,242.28, 617,558.10 and 284,135.80 is: 425,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,242.28 : 617,558.10 = 284,135.80 : x
  2. Step 2: Convert to fraction form
    412,242.28/617,558.10 = 284,135.80/x
  3. Step 3: Cross multiply
    412,242.28x = 617,558.10 × 284,135.80
  4. Step 4: Simplify right side
    412,242.28x = 175,470,364,789.98
  5. Step 5: Solve for x
    x = 175,470,364,789.98/412,242.28
  6. Step 6: Final answer
    x = 425,648.64

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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.