Home / 500,200.52-690,278.74-273,867.08

Finding the Fourth Proportional to 500,200.52, 690,278.74 and 273,867.08

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Solution

The fourth proportional to 500,200.52, 690,278.74 and 273,867.08 is: 377,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,200.52 : 690,278.74 = 273,867.08 : x
  2. Step 2: Convert to fraction form
    500,200.52/690,278.74 = 273,867.08/x
  3. Step 3: Cross multiply
    500,200.52x = 690,278.74 × 273,867.08
  4. Step 4: Simplify right side
    500,200.52x = 189,044,622,909.88
  5. Step 5: Solve for x
    x = 189,044,622,909.88/500,200.52
  6. Step 6: Final answer
    x = 377,937.68

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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.