Home / 720,117.98-1,080,337.85-270,842.74

Finding the Fourth Proportional to 720,117.98, 1,080,337.85 and 270,842.74

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Solution

The fourth proportional to 720,117.98, 1,080,337.85 and 270,842.74 is: 406,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,117.98 : 1,080,337.85 = 270,842.74 : x
  2. Step 2: Convert to fraction form
    720,117.98/1,080,337.85 = 270,842.74/x
  3. Step 3: Cross multiply
    720,117.98x = 1,080,337.85 × 270,842.74
  4. Step 4: Simplify right side
    720,117.98x = 292,601,658,480.76
  5. Step 5: Solve for x
    x = 292,601,658,480.76/720,117.98
  6. Step 6: Final answer
    x = 406,324.61

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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.