Home / 717,740.20-1,076,610.30-291,275.20

Finding the Fourth Proportional to 717,740.20, 1,076,610.30 and 291,275.20

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Solution

The fourth proportional to 717,740.20, 1,076,610.30 and 291,275.20 is: 436,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,740.20 : 1,076,610.30 = 291,275.20 : x
  2. Step 2: Convert to fraction form
    717,740.20/1,076,610.30 = 291,275.20/x
  3. Step 3: Cross multiply
    717,740.20x = 1,076,610.30 × 291,275.20
  4. Step 4: Simplify right side
    717,740.20x = 313,589,880,454.56
  5. Step 5: Solve for x
    x = 313,589,880,454.56/717,740.20
  6. Step 6: Final answer
    x = 436,912.80

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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.