Home / 780,868.29-1,171,184.08-268,611.38

Finding the Fourth Proportional to 780,868.29, 1,171,184.08 and 268,611.38

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Solution

The fourth proportional to 780,868.29, 1,171,184.08 and 268,611.38 is: 402,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,868.29 : 1,171,184.08 = 268,611.38 : x
  2. Step 2: Convert to fraction form
    780,868.29/1,171,184.08 = 268,611.38/x
  3. Step 3: Cross multiply
    780,868.29x = 1,171,184.08 × 268,611.38
  4. Step 4: Simplify right side
    780,868.29x = 314,593,371,962.83
  5. Step 5: Solve for x
    x = 314,593,371,962.83/780,868.29
  6. Step 6: Final answer
    x = 402,876.36

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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.