Home / 859,759.82-1,288,417.60-633,339.71

Finding the Fourth Proportional to 859,759.82, 1,288,417.60 and 633,339.71

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Solution

The fourth proportional to 859,759.82, 1,288,417.60 and 633,339.71 is: 949,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,759.82 : 1,288,417.60 = 633,339.71 : x
  2. Step 2: Convert to fraction form
    859,759.82/1,288,417.60 = 633,339.71/x
  3. Step 3: Cross multiply
    859,759.82x = 1,288,417.60 × 633,339.71
  4. Step 4: Simplify right side
    859,759.82x = 816,006,021,117.46
  5. Step 5: Solve for x
    x = 816,006,021,117.46/859,759.82
  6. Step 6: Final answer
    x = 949,109.28

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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.