Home / 720,432.57-1,080,678.02-271,106.13

Finding the Fourth Proportional to 720,432.57, 1,080,678.02 and 271,106.13

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Solution

The fourth proportional to 720,432.57, 1,080,678.02 and 271,106.13 is: 406,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,432.57 : 1,080,678.02 = 271,106.13 : x
  2. Step 2: Convert to fraction form
    720,432.57/1,080,678.02 = 271,106.13/x
  3. Step 3: Cross multiply
    720,432.57x = 1,080,678.02 × 271,106.13
  4. Step 4: Simplify right side
    720,432.57x = 292,978,434,422.73
  5. Step 5: Solve for x
    x = 292,978,434,422.73/720,432.57
  6. Step 6: Final answer
    x = 406,670.17

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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.