Home / 744,911.50-1,117,377.50-212,432.59

Finding the Fourth Proportional to 744,911.50, 1,117,377.50 and 212,432.59

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Solution

The fourth proportional to 744,911.50, 1,117,377.50 and 212,432.59 is: 318,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,911.50 : 1,117,377.50 = 212,432.59 : x
  2. Step 2: Convert to fraction form
    744,911.50/1,117,377.50 = 212,432.59/x
  3. Step 3: Cross multiply
    744,911.50x = 1,117,377.50 × 212,432.59
  4. Step 4: Simplify right side
    744,911.50x = 237,367,393,596.39
  5. Step 5: Solve for x
    x = 237,367,393,596.39/744,911.50
  6. Step 6: Final answer
    x = 318,651.80

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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.