Home / 717,322.20-1,076,232.39-318,243.20

Finding the Fourth Proportional to 717,322.20, 1,076,232.39 and 318,243.20

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Solution

The fourth proportional to 717,322.20, 1,076,232.39 and 318,243.20 is: 477,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,322.20 : 1,076,232.39 = 318,243.20 : x
  2. Step 2: Convert to fraction form
    717,322.20/1,076,232.39 = 318,243.20/x
  3. Step 3: Cross multiply
    717,322.20x = 1,076,232.39 × 318,243.20
  4. Step 4: Simplify right side
    717,322.20x = 342,503,633,162.67
  5. Step 5: Solve for x
    x = 342,503,633,162.67/717,322.20
  6. Step 6: Final answer
    x = 477,475.30

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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.