Home / 717,480.48-1,076,073.84-268,118.40

Finding the Fourth Proportional to 717,480.48, 1,076,073.84 and 268,118.40

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Solution

The fourth proportional to 717,480.48, 1,076,073.84 and 268,118.40 is: 402,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,480.48 : 1,076,073.84 = 268,118.40 : x
  2. Step 2: Convert to fraction form
    717,480.48/1,076,073.84 = 268,118.40/x
  3. Step 3: Cross multiply
    717,480.48x = 1,076,073.84 × 268,118.40
  4. Step 4: Simplify right side
    717,480.48x = 288,515,196,262.66
  5. Step 5: Solve for x
    x = 288,515,196,262.66/717,480.48
  6. Step 6: Final answer
    x = 402,122.71

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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.