Home / 937,042.80-1,405,148.67-431,481.30

Finding the Fourth Proportional to 937,042.80, 1,405,148.67 and 431,481.30

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Solution

The fourth proportional to 937,042.80, 1,405,148.67 and 431,481.30 is: 647,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,042.80 : 1,405,148.67 = 431,481.30 : x
  2. Step 2: Convert to fraction form
    937,042.80/1,405,148.67 = 431,481.30/x
  3. Step 3: Cross multiply
    937,042.80x = 1,405,148.67 × 431,481.30
  4. Step 4: Simplify right side
    937,042.80x = 606,295,374,824.87
  5. Step 5: Solve for x
    x = 606,295,374,824.87/937,042.80
  6. Step 6: Final answer
    x = 647,030.61

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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.