Home / 726,229.02-1,089,341.66-220,787.80

Finding the Fourth Proportional to 726,229.02, 1,089,341.66 and 220,787.80

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Solution

The fourth proportional to 726,229.02, 1,089,341.66 and 220,787.80 is: 331,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,229.02 : 1,089,341.66 = 220,787.80 : x
  2. Step 2: Convert to fraction form
    726,229.02/1,089,341.66 = 220,787.80/x
  3. Step 3: Cross multiply
    726,229.02x = 1,089,341.66 × 220,787.80
  4. Step 4: Simplify right side
    726,229.02x = 240,513,348,559.75
  5. Step 5: Solve for x
    x = 240,513,348,559.75/726,229.02
  6. Step 6: Final answer
    x = 331,181.13

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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.