Home / 718,610.96-1,077,732.36-213,053.78

Finding the Fourth Proportional to 718,610.96, 1,077,732.36 and 213,053.78

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Solution

The fourth proportional to 718,610.96, 1,077,732.36 and 213,053.78 is: 319,526.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,610.96 : 1,077,732.36 = 213,053.78 : x
  2. Step 2: Convert to fraction form
    718,610.96/1,077,732.36 = 213,053.78/x
  3. Step 3: Cross multiply
    718,610.96x = 1,077,732.36 × 213,053.78
  4. Step 4: Simplify right side
    718,610.96x = 229,614,947,737.66
  5. Step 5: Solve for x
    x = 229,614,947,737.66/718,610.96
  6. Step 6: Final answer
    x = 319,526.09

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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.