Home / 737,719.88-1,105,841.09-287,821.78

Finding the Fourth Proportional to 737,719.88, 1,105,841.09 and 287,821.78

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Solution

The fourth proportional to 737,719.88, 1,105,841.09 and 287,821.78 is: 431,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,719.88 : 1,105,841.09 = 287,821.78 : x
  2. Step 2: Convert to fraction form
    737,719.88/1,105,841.09 = 287,821.78/x
  3. Step 3: Cross multiply
    737,719.88x = 1,105,841.09 × 287,821.78
  4. Step 4: Simplify right side
    737,719.88x = 318,285,148,875.89
  5. Step 5: Solve for x
    x = 318,285,148,875.89/737,719.88
  6. Step 6: Final answer
    x = 431,444.45

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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.