Home / 644,538.06-966,466.86-217,927.26

Finding the Fourth Proportional to 644,538.06, 966,466.86 and 217,927.26

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Solution

The fourth proportional to 644,538.06, 966,466.86 and 217,927.26 is: 326,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,538.06 : 966,466.86 = 217,927.26 : x
  2. Step 2: Convert to fraction form
    644,538.06/966,466.86 = 217,927.26/x
  3. Step 3: Cross multiply
    644,538.06x = 966,466.86 × 217,927.26
  4. Step 4: Simplify right side
    644,538.06x = 210,619,474,680.60
  5. Step 5: Solve for x
    x = 210,619,474,680.60/644,538.06
  6. Step 6: Final answer
    x = 326,775.85

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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.