Home / 892,129.71-1,231,105.87-484,222.77

Finding the Fourth Proportional to 892,129.71, 1,231,105.87 and 484,222.77

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Solution

The fourth proportional to 892,129.71, 1,231,105.87 and 484,222.77 is: 668,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,129.71 : 1,231,105.87 = 484,222.77 : x
  2. Step 2: Convert to fraction form
    892,129.71/1,231,105.87 = 484,222.77/x
  3. Step 3: Cross multiply
    892,129.71x = 1,231,105.87 × 484,222.77
  4. Step 4: Simplify right side
    892,129.71x = 596,129,497,284.10
  5. Step 5: Solve for x
    x = 596,129,497,284.10/892,129.71
  6. Step 6: Final answer
    x = 668,209.44

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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.