Home / 726,329.64-1,089,499.32-253,023.96

Finding the Fourth Proportional to 726,329.64, 1,089,499.32 and 253,023.96

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Solution

The fourth proportional to 726,329.64, 1,089,499.32 and 253,023.96 is: 379,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,329.64 : 1,089,499.32 = 253,023.96 : x
  2. Step 2: Convert to fraction form
    726,329.64/1,089,499.32 = 253,023.96/x
  3. Step 3: Cross multiply
    726,329.64x = 1,089,499.32 × 253,023.96
  4. Step 4: Simplify right side
    726,329.64x = 275,669,432,363.71
  5. Step 5: Solve for x
    x = 275,669,432,363.71/726,329.64
  6. Step 6: Final answer
    x = 379,537.63

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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.