Home / 720,531.34-1,080,632.67-271,299.58

Finding the Fourth Proportional to 720,531.34, 1,080,632.67 and 271,299.58

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Solution

The fourth proportional to 720,531.34, 1,080,632.67 and 271,299.58 is: 406,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,531.34 : 1,080,632.67 = 271,299.58 : x
  2. Step 2: Convert to fraction form
    720,531.34/1,080,632.67 = 271,299.58/x
  3. Step 3: Cross multiply
    720,531.34x = 1,080,632.67 × 271,299.58
  4. Step 4: Simplify right side
    720,531.34x = 293,175,189,505.28
  5. Step 5: Solve for x
    x = 293,175,189,505.28/720,531.34
  6. Step 6: Final answer
    x = 406,887.49

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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.