Home / 957,131.22-1,320,869.31-527,439.03

Finding the Fourth Proportional to 957,131.22, 1,320,869.31 and 527,439.03

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Solution

The fourth proportional to 957,131.22, 1,320,869.31 and 527,439.03 is: 727,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,131.22 : 1,320,869.31 = 527,439.03 : x
  2. Step 2: Convert to fraction form
    957,131.22/1,320,869.31 = 527,439.03/x
  3. Step 3: Cross multiply
    957,131.22x = 1,320,869.31 × 527,439.03
  4. Step 4: Simplify right side
    957,131.22x = 696,678,027,623.17
  5. Step 5: Solve for x
    x = 696,678,027,623.17/957,131.22
  6. Step 6: Final answer
    x = 727,881.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.