Home / 744,874.26-1,117,377.28-212,383.86

Finding the Fourth Proportional to 744,874.26, 1,117,377.28 and 212,383.86

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Solution

The fourth proportional to 744,874.26, 1,117,377.28 and 212,383.86 is: 318,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,874.26 : 1,117,377.28 = 212,383.86 : x
  2. Step 2: Convert to fraction form
    744,874.26/1,117,377.28 = 212,383.86/x
  3. Step 3: Cross multiply
    744,874.26x = 1,117,377.28 × 212,383.86
  4. Step 4: Simplify right side
    744,874.26x = 237,312,899,802.70
  5. Step 5: Solve for x
    x = 237,312,899,802.70/744,874.26
  6. Step 6: Final answer
    x = 318,594.58

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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.