Home / 959,007.27-1,438,747.71-285,085.72

Finding the Fourth Proportional to 959,007.27, 1,438,747.71 and 285,085.72

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Solution

The fourth proportional to 959,007.27, 1,438,747.71 and 285,085.72 is: 427,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,007.27 : 1,438,747.71 = 285,085.72 : x
  2. Step 2: Convert to fraction form
    959,007.27/1,438,747.71 = 285,085.72/x
  3. Step 3: Cross multiply
    959,007.27x = 1,438,747.71 × 285,085.72
  4. Step 4: Simplify right side
    959,007.27x = 410,166,418,184.53
  5. Step 5: Solve for x
    x = 410,166,418,184.53/959,007.27
  6. Step 6: Final answer
    x = 427,698.97

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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.