Home / 718,079.18-1,077,115.53-185,554.94

Finding the Fourth Proportional to 718,079.18, 1,077,115.53 and 185,554.94

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Solution

The fourth proportional to 718,079.18, 1,077,115.53 and 185,554.94 is: 278,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,079.18 : 1,077,115.53 = 185,554.94 : x
  2. Step 2: Convert to fraction form
    718,079.18/1,077,115.53 = 185,554.94/x
  3. Step 3: Cross multiply
    718,079.18x = 1,077,115.53 × 185,554.94
  4. Step 4: Simplify right side
    718,079.18x = 199,864,107,542.22
  5. Step 5: Solve for x
    x = 199,864,107,542.22/718,079.18
  6. Step 6: Final answer
    x = 278,331.57

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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.