Home / 810,451.82-1,215,296.08-473,589.84

Finding the Fourth Proportional to 810,451.82, 1,215,296.08 and 473,589.84

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Solution

The fourth proportional to 810,451.82, 1,215,296.08 and 473,589.84 is: 710,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,451.82 : 1,215,296.08 = 473,589.84 : x
  2. Step 2: Convert to fraction form
    810,451.82/1,215,296.08 = 473,589.84/x
  3. Step 3: Cross multiply
    810,451.82x = 1,215,296.08 × 473,589.84
  4. Step 4: Simplify right side
    810,451.82x = 575,551,876,079.83
  5. Step 5: Solve for x
    x = 575,551,876,079.83/810,451.82
  6. Step 6: Final answer
    x = 710,161.74

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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.