Home / 486,933.75-730,170.72-284,587.88

Finding the Fourth Proportional to 486,933.75, 730,170.72 and 284,587.88

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Solution

The fourth proportional to 486,933.75, 730,170.72 and 284,587.88 is: 426,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,933.75 : 730,170.72 = 284,587.88 : x
  2. Step 2: Convert to fraction form
    486,933.75/730,170.72 = 284,587.88/x
  3. Step 3: Cross multiply
    486,933.75x = 730,170.72 × 284,587.88
  4. Step 4: Simplify right side
    486,933.75x = 207,797,733,592.02
  5. Step 5: Solve for x
    x = 207,797,733,592.02/486,933.75
  6. Step 6: Final answer
    x = 426,747.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.