Home / 726,912.90-1,090,369.04-194,420.08

Finding the Fourth Proportional to 726,912.90, 1,090,369.04 and 194,420.08

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Solution

The fourth proportional to 726,912.90, 1,090,369.04 and 194,420.08 is: 291,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,912.90 : 1,090,369.04 = 194,420.08 : x
  2. Step 2: Convert to fraction form
    726,912.90/1,090,369.04 = 194,420.08/x
  3. Step 3: Cross multiply
    726,912.90x = 1,090,369.04 × 194,420.08
  4. Step 4: Simplify right side
    726,912.90x = 211,989,635,986.32
  5. Step 5: Solve for x
    x = 211,989,635,986.32/726,912.90
  6. Step 6: Final answer
    x = 291,630.04

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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.