Home / 994,297.98-1,491,506.13-311,312.76

Finding the Fourth Proportional to 994,297.98, 1,491,506.13 and 311,312.76

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Solution

The fourth proportional to 994,297.98, 1,491,506.13 and 311,312.76 is: 466,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,297.98 : 1,491,506.13 = 311,312.76 : x
  2. Step 2: Convert to fraction form
    994,297.98/1,491,506.13 = 311,312.76/x
  3. Step 3: Cross multiply
    994,297.98x = 1,491,506.13 × 311,312.76
  4. Step 4: Simplify right side
    994,297.98x = 464,324,889,887.22
  5. Step 5: Solve for x
    x = 464,324,889,887.22/994,297.98
  6. Step 6: Final answer
    x = 466,987.66

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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.