Home / 718,138.04-1,077,234.30-268,811.60

Finding the Fourth Proportional to 718,138.04, 1,077,234.30 and 268,811.60

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Solution

The fourth proportional to 718,138.04, 1,077,234.30 and 268,811.60 is: 403,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,138.04 : 1,077,234.30 = 268,811.60 : x
  2. Step 2: Convert to fraction form
    718,138.04/1,077,234.30 = 268,811.60/x
  3. Step 3: Cross multiply
    718,138.04x = 1,077,234.30 × 268,811.60
  4. Step 4: Simplify right side
    718,138.04x = 289,573,075,757.88
  5. Step 5: Solve for x
    x = 289,573,075,757.88/718,138.04
  6. Step 6: Final answer
    x = 403,227.60

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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.