Home / 691,796.70-1,037,889.45-336,822.30

Finding the Fourth Proportional to 691,796.70, 1,037,889.45 and 336,822.30

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Solution

The fourth proportional to 691,796.70, 1,037,889.45 and 336,822.30 is: 505,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,796.70 : 1,037,889.45 = 336,822.30 : x
  2. Step 2: Convert to fraction form
    691,796.70/1,037,889.45 = 336,822.30/x
  3. Step 3: Cross multiply
    691,796.70x = 1,037,889.45 × 336,822.30
  4. Step 4: Simplify right side
    691,796.70x = 349,584,311,694.74
  5. Step 5: Solve for x
    x = 349,584,311,694.74/691,796.70
  6. Step 6: Final answer
    x = 505,328.10

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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.