Home / 720,132.93-1,080,360.23-270,857.66

Finding the Fourth Proportional to 720,132.93, 1,080,360.23 and 270,857.66

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Solution

The fourth proportional to 720,132.93, 1,080,360.23 and 270,857.66 is: 406,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,132.93 : 1,080,360.23 = 270,857.66 : x
  2. Step 2: Convert to fraction form
    720,132.93/1,080,360.23 = 270,857.66/x
  3. Step 3: Cross multiply
    720,132.93x = 1,080,360.23 × 270,857.66
  4. Step 4: Simplify right side
    720,132.93x = 292,623,837,098.77
  5. Step 5: Solve for x
    x = 292,623,837,098.77/720,132.93
  6. Step 6: Final answer
    x = 406,346.97

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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.