Home / 578,680.46-868,580.93-279,371.06

Finding the Fourth Proportional to 578,680.46, 868,580.93 and 279,371.06

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Solution

The fourth proportional to 578,680.46, 868,580.93 and 279,371.06 is: 419,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,680.46 : 868,580.93 = 279,371.06 : x
  2. Step 2: Convert to fraction form
    578,680.46/868,580.93 = 279,371.06/x
  3. Step 3: Cross multiply
    578,680.46x = 868,580.93 × 279,371.06
  4. Step 4: Simplify right side
    578,680.46x = 242,656,371,989.23
  5. Step 5: Solve for x
    x = 242,656,371,989.23/578,680.46
  6. Step 6: Final answer
    x = 419,327.05

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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.