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Finding the Fourth Proportional to 440,412, 660,650.94 and 124,894.32

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Solution

The fourth proportional to 440,412, 660,650.94 and 124,894.32 is: 187,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,412 : 660,650.94 = 124,894.32 : x
  2. Step 2: Convert to fraction form
    440,412/660,650.94 = 124,894.32/x
  3. Step 3: Cross multiply
    440,412x = 660,650.94 × 124,894.32
  4. Step 4: Simplify right side
    440,412x = 82,511,549,908.66
  5. Step 5: Solve for x
    x = 82,511,549,908.66/440,412
  6. Step 6: Final answer
    x = 187,350.82

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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.