Home / 825,282.12-1,238,279.56-446,469.72

Finding the Fourth Proportional to 825,282.12, 1,238,279.56 and 446,469.72

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Solution

The fourth proportional to 825,282.12, 1,238,279.56 and 446,469.72 is: 669,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,282.12 : 1,238,279.56 = 446,469.72 : x
  2. Step 2: Convert to fraction form
    825,282.12/1,238,279.56 = 446,469.72/x
  3. Step 3: Cross multiply
    825,282.12x = 1,238,279.56 × 446,469.72
  4. Step 4: Simplify right side
    825,282.12x = 552,854,328,434.92
  5. Step 5: Solve for x
    x = 552,854,328,434.92/825,282.12
  6. Step 6: Final answer
    x = 669,897.38

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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.