Home / 743,484.92-1,115,222.52-211,006.28

Finding the Fourth Proportional to 743,484.92, 1,115,222.52 and 211,006.28

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Solution

The fourth proportional to 743,484.92, 1,115,222.52 and 211,006.28 is: 316,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,484.92 : 1,115,222.52 = 211,006.28 : x
  2. Step 2: Convert to fraction form
    743,484.92/1,115,222.52 = 211,006.28/x
  3. Step 3: Cross multiply
    743,484.92x = 1,115,222.52 × 211,006.28
  4. Step 4: Simplify right side
    743,484.92x = 235,318,955,317.43
  5. Step 5: Solve for x
    x = 235,318,955,317.43/743,484.92
  6. Step 6: Final answer
    x = 316,508.04

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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.