Home / 726,278.50-1,089,592.71-227,642.50

Finding the Fourth Proportional to 726,278.50, 1,089,592.71 and 227,642.50

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Solution

The fourth proportional to 726,278.50, 1,089,592.71 and 227,642.50 is: 341,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,278.50 : 1,089,592.71 = 227,642.50 : x
  2. Step 2: Convert to fraction form
    726,278.50/1,089,592.71 = 227,642.50/x
  3. Step 3: Cross multiply
    726,278.50x = 1,089,592.71 × 227,642.50
  4. Step 4: Simplify right side
    726,278.50x = 248,037,608,486.18
  5. Step 5: Solve for x
    x = 248,037,608,486.18/726,278.50
  6. Step 6: Final answer
    x = 341,518.59

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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.