Home / 644,206.58-966,428.67-211,948.34

Finding the Fourth Proportional to 644,206.58, 966,428.67 and 211,948.34

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Solution

The fourth proportional to 644,206.58, 966,428.67 and 211,948.34 is: 317,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,206.58 : 966,428.67 = 211,948.34 : x
  2. Step 2: Convert to fraction form
    644,206.58/966,428.67 = 211,948.34/x
  3. Step 3: Cross multiply
    644,206.58x = 966,428.67 × 211,948.34
  4. Step 4: Simplify right side
    644,206.58x = 204,832,952,334.91
  5. Step 5: Solve for x
    x = 204,832,952,334.91/644,206.58
  6. Step 6: Final answer
    x = 317,961.60

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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.