Home / 712,235.68-1,068,496.08-262,959.28

Finding the Fourth Proportional to 712,235.68, 1,068,496.08 and 262,959.28

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Solution

The fourth proportional to 712,235.68, 1,068,496.08 and 262,959.28 is: 394,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,235.68 : 1,068,496.08 = 262,959.28 : x
  2. Step 2: Convert to fraction form
    712,235.68/1,068,496.08 = 262,959.28/x
  3. Step 3: Cross multiply
    712,235.68x = 1,068,496.08 × 262,959.28
  4. Step 4: Simplify right side
    712,235.68x = 280,970,959,879.62
  5. Step 5: Solve for x
    x = 280,970,959,879.62/712,235.68
  6. Step 6: Final answer
    x = 394,491.55

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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.