Home / 500,319.43-690,441.27-270,876.91

Finding the Fourth Proportional to 500,319.43, 690,441.27 and 270,876.91

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Solution

The fourth proportional to 500,319.43, 690,441.27 and 270,876.91 is: 373,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,319.43 : 690,441.27 = 270,876.91 : x
  2. Step 2: Convert to fraction form
    500,319.43/690,441.27 = 270,876.91/x
  3. Step 3: Cross multiply
    500,319.43x = 690,441.27 × 270,876.91
  4. Step 4: Simplify right side
    500,319.43x = 187,024,596,306.76
  5. Step 5: Solve for x
    x = 187,024,596,306.76/500,319.43
  6. Step 6: Final answer
    x = 373,810.38

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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.