Home / 726,291.57-1,089,612.32-227,655.57

Finding the Fourth Proportional to 726,291.57, 1,089,612.32 and 227,655.57

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Solution

The fourth proportional to 726,291.57, 1,089,612.32 and 227,655.57 is: 341,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,291.57 : 1,089,612.32 = 227,655.57 : x
  2. Step 2: Convert to fraction form
    726,291.57/1,089,612.32 = 227,655.57/x
  3. Step 3: Cross multiply
    726,291.57x = 1,089,612.32 × 227,655.57
  4. Step 4: Simplify right side
    726,291.57x = 248,056,312,650.35
  5. Step 5: Solve for x
    x = 248,056,312,650.35/726,291.57
  6. Step 6: Final answer
    x = 341,538.20

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1.5x scale

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.