Home / 500,042.98-690,056.66-270,600.13

Finding the Fourth Proportional to 500,042.98, 690,056.66 and 270,600.13

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Solution

The fourth proportional to 500,042.98, 690,056.66 and 270,600.13 is: 373,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,042.98 : 690,056.66 = 270,600.13 : x
  2. Step 2: Convert to fraction form
    500,042.98/690,056.66 = 270,600.13/x
  3. Step 3: Cross multiply
    500,042.98x = 690,056.66 × 270,600.13
  4. Step 4: Simplify right side
    500,042.98x = 186,729,422,281.78
  5. Step 5: Solve for x
    x = 186,729,422,281.78/500,042.98
  6. Step 6: Final answer
    x = 373,426.75

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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.