Home / 610,948.72-915,606.89-322,171.44

Finding the Fourth Proportional to 610,948.72, 915,606.89 and 322,171.44

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Solution

The fourth proportional to 610,948.72, 915,606.89 and 322,171.44 is: 482,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,948.72 : 915,606.89 = 322,171.44 : x
  2. Step 2: Convert to fraction form
    610,948.72/915,606.89 = 322,171.44/x
  3. Step 3: Cross multiply
    610,948.72x = 915,606.89 × 322,171.44
  4. Step 4: Simplify right side
    610,948.72x = 294,982,390,225.22
  5. Step 5: Solve for x
    x = 294,982,390,225.22/610,948.72
  6. Step 6: Final answer
    x = 482,826.76

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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.