Home / 744,914.50-1,117,382-212,435.58

Finding the Fourth Proportional to 744,914.50, 1,117,382 and 212,435.58

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Solution

The fourth proportional to 744,914.50, 1,117,382 and 212,435.58 is: 318,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,914.50 : 1,117,382 = 212,435.58 : x
  2. Step 2: Convert to fraction form
    744,914.50/1,117,382 = 212,435.58/x
  3. Step 3: Cross multiply
    744,914.50x = 1,117,382 × 212,435.58
  4. Step 4: Simplify right side
    744,914.50x = 237,371,693,251.56
  5. Step 5: Solve for x
    x = 237,371,693,251.56/744,914.50
  6. Step 6: Final answer
    x = 318,656.29

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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.