Home / 839,440.80-1,259,341.16-270,854.46

Finding the Fourth Proportional to 839,440.80, 1,259,341.16 and 270,854.46

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Solution

The fourth proportional to 839,440.80, 1,259,341.16 and 270,854.46 is: 406,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,440.80 : 1,259,341.16 = 270,854.46 : x
  2. Step 2: Convert to fraction form
    839,440.80/1,259,341.16 = 270,854.46/x
  3. Step 3: Cross multiply
    839,440.80x = 1,259,341.16 × 270,854.46
  4. Step 4: Simplify right side
    839,440.80x = 341,098,168,493.30
  5. Step 5: Solve for x
    x = 341,098,168,493.30/839,440.80
  6. Step 6: Final answer
    x = 406,339.75

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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.