Home / 718,072.18-1,077,105.03-185,547.94

Finding the Fourth Proportional to 718,072.18, 1,077,105.03 and 185,547.94

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Solution

The fourth proportional to 718,072.18, 1,077,105.03 and 185,547.94 is: 278,321.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,072.18 : 1,077,105.03 = 185,547.94 : x
  2. Step 2: Convert to fraction form
    718,072.18/1,077,105.03 = 185,547.94/x
  3. Step 3: Cross multiply
    718,072.18x = 1,077,105.03 × 185,547.94
  4. Step 4: Simplify right side
    718,072.18x = 199,854,619,480.14
  5. Step 5: Solve for x
    x = 199,854,619,480.14/718,072.18
  6. Step 6: Final answer
    x = 278,321.07

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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.