Home / 691,439.94-1,037,072.43-271,011.06

Finding the Fourth Proportional to 691,439.94, 1,037,072.43 and 271,011.06

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Solution

The fourth proportional to 691,439.94, 1,037,072.43 and 271,011.06 is: 406,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,439.94 : 1,037,072.43 = 271,011.06 : x
  2. Step 2: Convert to fraction form
    691,439.94/1,037,072.43 = 271,011.06/x
  3. Step 3: Cross multiply
    691,439.94x = 1,037,072.43 × 271,011.06
  4. Step 4: Simplify right side
    691,439.94x = 281,058,098,551.08
  5. Step 5: Solve for x
    x = 281,058,098,551.08/691,439.94
  6. Step 6: Final answer
    x = 406,482.30

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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.