Home / 674,739.11-1,012,160.98-225,461.58

Finding the Fourth Proportional to 674,739.11, 1,012,160.98 and 225,461.58

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Solution

The fourth proportional to 674,739.11, 1,012,160.98 and 225,461.58 is: 338,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,739.11 : 1,012,160.98 = 225,461.58 : x
  2. Step 2: Convert to fraction form
    674,739.11/1,012,160.98 = 225,461.58/x
  3. Step 3: Cross multiply
    674,739.11x = 1,012,160.98 × 225,461.58
  4. Step 4: Simplify right side
    674,739.11x = 228,203,410,251.37
  5. Step 5: Solve for x
    x = 228,203,410,251.37/674,739.11
  6. Step 6: Final answer
    x = 338,209.84

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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.