Home / 674,195.60-1,009,981.20-374,139.20

Finding the Fourth Proportional to 674,195.60, 1,009,981.20 and 374,139.20

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Solution

The fourth proportional to 674,195.60, 1,009,981.20 and 374,139.20 is: 560,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,195.60 : 1,009,981.20 = 374,139.20 : x
  2. Step 2: Convert to fraction form
    674,195.60/1,009,981.20 = 374,139.20/x
  3. Step 3: Cross multiply
    674,195.60x = 1,009,981.20 × 374,139.20
  4. Step 4: Simplify right side
    674,195.60x = 377,873,558,183.04
  5. Step 5: Solve for x
    x = 377,873,558,183.04/674,195.60
  6. Step 6: Final answer
    x = 560,480.61

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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.