Home / 857,072.10-1,285,695.63-296,033.70

Finding the Fourth Proportional to 857,072.10, 1,285,695.63 and 296,033.70

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Solution

The fourth proportional to 857,072.10, 1,285,695.63 and 296,033.70 is: 444,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,072.10 : 1,285,695.63 = 296,033.70 : x
  2. Step 2: Convert to fraction form
    857,072.10/1,285,695.63 = 296,033.70/x
  3. Step 3: Cross multiply
    857,072.10x = 1,285,695.63 × 296,033.70
  4. Step 4: Simplify right side
    857,072.10x = 380,609,234,422.73
  5. Step 5: Solve for x
    x = 380,609,234,422.73/857,072.10
  6. Step 6: Final answer
    x = 444,080.77

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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.