Home / 726,539.30-1,089,815.13-253,223.90

Finding the Fourth Proportional to 726,539.30, 1,089,815.13 and 253,223.90

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Solution

The fourth proportional to 726,539.30, 1,089,815.13 and 253,223.90 is: 379,838.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,539.30 : 1,089,815.13 = 253,223.90 : x
  2. Step 2: Convert to fraction form
    726,539.30/1,089,815.13 = 253,223.90/x
  3. Step 3: Cross multiply
    726,539.30x = 1,089,815.13 × 253,223.90
  4. Step 4: Simplify right side
    726,539.30x = 275,967,237,497.61
  5. Step 5: Solve for x
    x = 275,967,237,497.61/726,539.30
  6. Step 6: Final answer
    x = 379,838.00

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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.