Home / 778,143.56-1,167,226.86-217,181

Finding the Fourth Proportional to 778,143.56, 1,167,226.86 and 217,181

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Solution

The fourth proportional to 778,143.56, 1,167,226.86 and 217,181 is: 325,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,143.56 : 1,167,226.86 = 217,181 : x
  2. Step 2: Convert to fraction form
    778,143.56/1,167,226.86 = 217,181/x
  3. Step 3: Cross multiply
    778,143.56x = 1,167,226.86 × 217,181
  4. Step 4: Simplify right side
    778,143.56x = 253,499,496,681.66
  5. Step 5: Solve for x
    x = 253,499,496,681.66/778,143.56
  6. Step 6: Final answer
    x = 325,774.72

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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.