Home / 776,292.50-1,164,438.75-215,327

Finding the Fourth Proportional to 776,292.50, 1,164,438.75 and 215,327

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Solution

The fourth proportional to 776,292.50, 1,164,438.75 and 215,327 is: 322,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,292.50 : 1,164,438.75 = 215,327 : x
  2. Step 2: Convert to fraction form
    776,292.50/1,164,438.75 = 215,327/x
  3. Step 3: Cross multiply
    776,292.50x = 1,164,438.75 × 215,327
  4. Step 4: Simplify right side
    776,292.50x = 250,735,102,721.25
  5. Step 5: Solve for x
    x = 250,735,102,721.25/776,292.50
  6. Step 6: Final answer
    x = 322,990.50

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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.