Home / 722,514.12-997,058.16-395,824.56

Finding the Fourth Proportional to 722,514.12, 997,058.16 and 395,824.56

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Solution

The fourth proportional to 722,514.12, 997,058.16 and 395,824.56 is: 546,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,514.12 : 997,058.16 = 395,824.56 : x
  2. Step 2: Convert to fraction form
    722,514.12/997,058.16 = 395,824.56/x
  3. Step 3: Cross multiply
    722,514.12x = 997,058.16 × 395,824.56
  4. Step 4: Simplify right side
    722,514.12x = 394,660,107,476.41
  5. Step 5: Solve for x
    x = 394,660,107,476.41/722,514.12
  6. Step 6: Final answer
    x = 546,231.69

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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.