Home / 500,229.36-690,316.20-273,874.80

Finding the Fourth Proportional to 500,229.36, 690,316.20 and 273,874.80

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Solution

The fourth proportional to 500,229.36, 690,316.20 and 273,874.80 is: 377,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,229.36 : 690,316.20 = 273,874.80 : x
  2. Step 2: Convert to fraction form
    500,229.36/690,316.20 = 273,874.80/x
  3. Step 3: Cross multiply
    500,229.36x = 690,316.20 × 273,874.80
  4. Step 4: Simplify right side
    500,229.36x = 189,060,211,211.76
  5. Step 5: Solve for x
    x = 189,060,211,211.76/500,229.36
  6. Step 6: Final answer
    x = 377,947.05

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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.