Home / 717,711.50-1,076,531.47-268,399.33

Finding the Fourth Proportional to 717,711.50, 1,076,531.47 and 268,399.33

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Solution

The fourth proportional to 717,711.50, 1,076,531.47 and 268,399.33 is: 402,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,711.50 : 1,076,531.47 = 268,399.33 : x
  2. Step 2: Convert to fraction form
    717,711.50/1,076,531.47 = 268,399.33/x
  3. Step 3: Cross multiply
    717,711.50x = 1,076,531.47 × 268,399.33
  4. Step 4: Simplify right side
    717,711.50x = 288,940,325,271.92
  5. Step 5: Solve for x
    x = 288,940,325,271.92/717,711.50
  6. Step 6: Final answer
    x = 402,585.61

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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.