Home / 500,316.46-690,436.86-270,873.70

Finding the Fourth Proportional to 500,316.46, 690,436.86 and 270,873.70

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Solution

The fourth proportional to 500,316.46, 690,436.86 and 270,873.70 is: 373,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,316.46 : 690,436.86 = 270,873.70 : x
  2. Step 2: Convert to fraction form
    500,316.46/690,436.86 = 270,873.70/x
  3. Step 3: Cross multiply
    500,316.46x = 690,436.86 × 270,873.70
  4. Step 4: Simplify right side
    500,316.46x = 187,021,186,884.58
  5. Step 5: Solve for x
    x = 187,021,186,884.58/500,316.46
  6. Step 6: Final answer
    x = 373,805.78

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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.