Home / 691,376.90-1,036,892.55-264,820.10

Finding the Fourth Proportional to 691,376.90, 1,036,892.55 and 264,820.10

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Solution

The fourth proportional to 691,376.90, 1,036,892.55 and 264,820.10 is: 397,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,376.90 : 1,036,892.55 = 264,820.10 : x
  2. Step 2: Convert to fraction form
    691,376.90/1,036,892.55 = 264,820.10/x
  3. Step 3: Cross multiply
    691,376.90x = 1,036,892.55 × 264,820.10
  4. Step 4: Simplify right side
    691,376.90x = 274,589,988,780.26
  5. Step 5: Solve for x
    x = 274,589,988,780.26/691,376.90
  6. Step 6: Final answer
    x = 397,163.96

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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.