Home / 742,310.74-1,114,025.88-543,144.97

Finding the Fourth Proportional to 742,310.74, 1,114,025.88 and 543,144.97

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Solution

The fourth proportional to 742,310.74, 1,114,025.88 and 543,144.97 is: 815,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,310.74 : 1,114,025.88 = 543,144.97 : x
  2. Step 2: Convert to fraction form
    742,310.74/1,114,025.88 = 543,144.97/x
  3. Step 3: Cross multiply
    742,310.74x = 1,114,025.88 × 543,144.97
  4. Step 4: Simplify right side
    742,310.74x = 605,077,553,171.82
  5. Step 5: Solve for x
    x = 605,077,553,171.82/742,310.74
  6. Step 6: Final answer
    x = 815,127.04

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1.5x scale

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.