Home / 987,555.92-1,481,284.32-347,891.36

Finding the Fourth Proportional to 987,555.92, 1,481,284.32 and 347,891.36

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Solution

The fourth proportional to 987,555.92, 1,481,284.32 and 347,891.36 is: 521,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,555.92 : 1,481,284.32 = 347,891.36 : x
  2. Step 2: Convert to fraction form
    987,555.92/1,481,284.32 = 347,891.36/x
  3. Step 3: Cross multiply
    987,555.92x = 1,481,284.32 × 347,891.36
  4. Step 4: Simplify right side
    987,555.92x = 515,326,016,631.48
  5. Step 5: Solve for x
    x = 515,326,016,631.48/987,555.92
  6. Step 6: Final answer
    x = 521,819.58

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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.