Home / 639,843.06-959,026.48-240,228.96

Finding the Fourth Proportional to 639,843.06, 959,026.48 and 240,228.96

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Solution

The fourth proportional to 639,843.06, 959,026.48 and 240,228.96 is: 360,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,843.06 : 959,026.48 = 240,228.96 : x
  2. Step 2: Convert to fraction form
    639,843.06/959,026.48 = 240,228.96/x
  3. Step 3: Cross multiply
    639,843.06x = 959,026.48 × 240,228.96
  4. Step 4: Simplify right side
    639,843.06x = 230,385,933,902.86
  5. Step 5: Solve for x
    x = 230,385,933,902.86/639,843.06
  6. Step 6: Final answer
    x = 360,066.32

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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.