Home / 718,076.10-1,077,141.50-268,749.66

Finding the Fourth Proportional to 718,076.10, 1,077,141.50 and 268,749.66

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Solution

The fourth proportional to 718,076.10, 1,077,141.50 and 268,749.66 is: 403,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,076.10 : 1,077,141.50 = 268,749.66 : x
  2. Step 2: Convert to fraction form
    718,076.10/1,077,141.50 = 268,749.66/x
  3. Step 3: Cross multiply
    718,076.10x = 1,077,141.50 × 268,749.66
  4. Step 4: Simplify right side
    718,076.10x = 289,481,411,896.89
  5. Step 5: Solve for x
    x = 289,481,411,896.89/718,076.10
  6. Step 6: Final answer
    x = 403,134.73

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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.