Home / 500,331.38-690,449.02-270,886.84

Finding the Fourth Proportional to 500,331.38, 690,449.02 and 270,886.84

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Solution

The fourth proportional to 500,331.38, 690,449.02 and 270,886.84 is: 373,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,331.38 : 690,449.02 = 270,886.84 : x
  2. Step 2: Convert to fraction form
    500,331.38/690,449.02 = 270,886.84/x
  3. Step 3: Cross multiply
    500,331.38x = 690,449.02 × 270,886.84
  4. Step 4: Simplify right side
    500,331.38x = 187,033,548,402.22
  5. Step 5: Solve for x
    x = 187,033,548,402.22/500,331.38
  6. Step 6: Final answer
    x = 373,819.34

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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.