Home / 718,037.08-1,077,016.62-219,401.08

Finding the Fourth Proportional to 718,037.08, 1,077,016.62 and 219,401.08

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Solution

The fourth proportional to 718,037.08, 1,077,016.62 and 219,401.08 is: 329,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,037.08 : 1,077,016.62 = 219,401.08 : x
  2. Step 2: Convert to fraction form
    718,037.08/1,077,016.62 = 219,401.08/x
  3. Step 3: Cross multiply
    718,037.08x = 1,077,016.62 × 219,401.08
  4. Step 4: Simplify right side
    718,037.08x = 236,298,609,605.95
  5. Step 5: Solve for x
    x = 236,298,609,605.95/718,037.08
  6. Step 6: Final answer
    x = 329,089.70

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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.