Home / 856,467.80-1,284,601.61-344,112.18

Finding the Fourth Proportional to 856,467.80, 1,284,601.61 and 344,112.18

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Solution

The fourth proportional to 856,467.80, 1,284,601.61 and 344,112.18 is: 516,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,467.80 : 1,284,601.61 = 344,112.18 : x
  2. Step 2: Convert to fraction form
    856,467.80/1,284,601.61 = 344,112.18/x
  3. Step 3: Cross multiply
    856,467.80x = 1,284,601.61 × 344,112.18
  4. Step 4: Simplify right side
    856,467.80x = 442,047,058,728.05
  5. Step 5: Solve for x
    x = 442,047,058,728.05/856,467.80
  6. Step 6: Final answer
    x = 516,128.06

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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.