Home / 724,887.74-1,086,914.85-298,717.71

Finding the Fourth Proportional to 724,887.74, 1,086,914.85 and 298,717.71

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Solution

The fourth proportional to 724,887.74, 1,086,914.85 and 298,717.71 is: 447,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,887.74 : 1,086,914.85 = 298,717.71 : x
  2. Step 2: Convert to fraction form
    724,887.74/1,086,914.85 = 298,717.71/x
  3. Step 3: Cross multiply
    724,887.74x = 1,086,914.85 × 298,717.71
  4. Step 4: Simplify right side
    724,887.74x = 324,680,714,956.99
  5. Step 5: Solve for x
    x = 324,680,714,956.99/724,887.74
  6. Step 6: Final answer
    x = 447,904.83

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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.