Home / 839,685.90-1,259,215.38-270,924.15

Finding the Fourth Proportional to 839,685.90, 1,259,215.38 and 270,924.15

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Solution

The fourth proportional to 839,685.90, 1,259,215.38 and 270,924.15 is: 406,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,685.90 : 1,259,215.38 = 270,924.15 : x
  2. Step 2: Convert to fraction form
    839,685.90/1,259,215.38 = 270,924.15/x
  3. Step 3: Cross multiply
    839,685.90x = 1,259,215.38 × 270,924.15
  4. Step 4: Simplify right side
    839,685.90x = 341,151,856,493.43
  5. Step 5: Solve for x
    x = 341,151,856,493.43/839,685.90
  6. Step 6: Final answer
    x = 406,285.08

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Double scale
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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.