Home / 825,876.10-1,238,814.15-264,967.30

Finding the Fourth Proportional to 825,876.10, 1,238,814.15 and 264,967.30

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Solution

The fourth proportional to 825,876.10, 1,238,814.15 and 264,967.30 is: 397,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,876.10 : 1,238,814.15 = 264,967.30 : x
  2. Step 2: Convert to fraction form
    825,876.10/1,238,814.15 = 264,967.30/x
  3. Step 3: Cross multiply
    825,876.10x = 1,238,814.15 × 264,967.30
  4. Step 4: Simplify right side
    825,876.10x = 328,245,240,527.30
  5. Step 5: Solve for x
    x = 328,245,240,527.30/825,876.10
  6. Step 6: Final answer
    x = 397,450.95

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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.