Home / 767,123.20-1,150,857.60-451,417.60

Finding the Fourth Proportional to 767,123.20, 1,150,857.60 and 451,417.60

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Solution

The fourth proportional to 767,123.20, 1,150,857.60 and 451,417.60 is: 677,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,123.20 : 1,150,857.60 = 451,417.60 : x
  2. Step 2: Convert to fraction form
    767,123.20/1,150,857.60 = 451,417.60/x
  3. Step 3: Cross multiply
    767,123.20x = 1,150,857.60 × 451,417.60
  4. Step 4: Simplify right side
    767,123.20x = 519,517,375,733.76
  5. Step 5: Solve for x
    x = 519,517,375,733.76/767,123.20
  6. Step 6: Final answer
    x = 677,228.09

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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.