Home / 858,182.15-1,287,282.95-259,148.27

Finding the Fourth Proportional to 858,182.15, 1,287,282.95 and 259,148.27

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Solution

The fourth proportional to 858,182.15, 1,287,282.95 and 259,148.27 is: 388,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,182.15 : 1,287,282.95 = 259,148.27 : x
  2. Step 2: Convert to fraction form
    858,182.15/1,287,282.95 = 259,148.27/x
  3. Step 3: Cross multiply
    858,182.15x = 1,287,282.95 × 259,148.27
  4. Step 4: Simplify right side
    858,182.15x = 333,597,149,493.00
  5. Step 5: Solve for x
    x = 333,597,149,493.00/858,182.15
  6. Step 6: Final answer
    x = 388,725.34

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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.