Home / 500,370.12-690,505.56-270,923.44

Finding the Fourth Proportional to 500,370.12, 690,505.56 and 270,923.44

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Solution

The fourth proportional to 500,370.12, 690,505.56 and 270,923.44 is: 373,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,370.12 : 690,505.56 = 270,923.44 : x
  2. Step 2: Convert to fraction form
    500,370.12/690,505.56 = 270,923.44/x
  3. Step 3: Cross multiply
    500,370.12x = 690,505.56 × 270,923.44
  4. Step 4: Simplify right side
    500,370.12x = 187,074,141,654.33
  5. Step 5: Solve for x
    x = 187,074,141,654.33/500,370.12
  6. Step 6: Final answer
    x = 373,871.53

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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.