Home / 717,720.70-1,076,581.05-291,255.70

Finding the Fourth Proportional to 717,720.70, 1,076,581.05 and 291,255.70

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Solution

The fourth proportional to 717,720.70, 1,076,581.05 and 291,255.70 is: 436,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,720.70 : 1,076,581.05 = 291,255.70 : x
  2. Step 2: Convert to fraction form
    717,720.70/1,076,581.05 = 291,255.70/x
  3. Step 3: Cross multiply
    717,720.70x = 1,076,581.05 × 291,255.70
  4. Step 4: Simplify right side
    717,720.70x = 313,560,367,324.49
  5. Step 5: Solve for x
    x = 313,560,367,324.49/717,720.70
  6. Step 6: Final answer
    x = 436,883.55

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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.