Home / 839,384.52-1,259,321.96-270,753.04

Finding the Fourth Proportional to 839,384.52, 1,259,321.96 and 270,753.04

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Solution

The fourth proportional to 839,384.52, 1,259,321.96 and 270,753.04 is: 406,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,384.52 : 1,259,321.96 = 270,753.04 : x
  2. Step 2: Convert to fraction form
    839,384.52/1,259,321.96 = 270,753.04/x
  3. Step 3: Cross multiply
    839,384.52x = 1,259,321.96 × 270,753.04
  4. Step 4: Simplify right side
    839,384.52x = 340,965,249,008.76
  5. Step 5: Solve for x
    x = 340,965,249,008.76/839,384.52
  6. Step 6: Final answer
    x = 406,208.65

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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.