Home / 744,356.10-1,116,540.90-211,876.92

Finding the Fourth Proportional to 744,356.10, 1,116,540.90 and 211,876.92

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Solution

The fourth proportional to 744,356.10, 1,116,540.90 and 211,876.92 is: 317,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,356.10 : 1,116,540.90 = 211,876.92 : x
  2. Step 2: Convert to fraction form
    744,356.10/1,116,540.90 = 211,876.92/x
  3. Step 3: Cross multiply
    744,356.10x = 1,116,540.90 × 211,876.92
  4. Step 4: Simplify right side
    744,356.10x = 236,569,246,946.03
  5. Step 5: Solve for x
    x = 236,569,246,946.03/744,356.10
  6. Step 6: Final answer
    x = 317,817.30

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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.