Home / 859,759.07-1,288,416.47-633,338.96

Finding the Fourth Proportional to 859,759.07, 1,288,416.47 and 633,338.96

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Solution

The fourth proportional to 859,759.07, 1,288,416.47 and 633,338.96 is: 949,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,759.07 : 1,288,416.47 = 633,338.96 : x
  2. Step 2: Convert to fraction form
    859,759.07/1,288,416.47 = 633,338.96/x
  3. Step 3: Cross multiply
    859,759.07x = 1,288,416.47 × 633,338.96
  4. Step 4: Simplify right side
    859,759.07x = 816,004,342,297.94
  5. Step 5: Solve for x
    x = 816,004,342,297.94/859,759.07
  6. Step 6: Final answer
    x = 949,108.16

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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.