Home / 762,026.80-1,143,725.46-407,344

Finding the Fourth Proportional to 762,026.80, 1,143,725.46 and 407,344

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Solution

The fourth proportional to 762,026.80, 1,143,725.46 and 407,344 is: 611,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,026.80 : 1,143,725.46 = 407,344 : x
  2. Step 2: Convert to fraction form
    762,026.80/1,143,725.46 = 407,344/x
  3. Step 3: Cross multiply
    762,026.80x = 1,143,725.46 × 407,344
  4. Step 4: Simplify right side
    762,026.80x = 465,889,703,778.24
  5. Step 5: Solve for x
    x = 465,889,703,778.24/762,026.80
  6. Step 6: Final answer
    x = 611,382.31

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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.