Home / 726,278.80-1,089,985.20-503,204.80

Finding the Fourth Proportional to 726,278.80, 1,089,985.20 and 503,204.80

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Solution

The fourth proportional to 726,278.80, 1,089,985.20 and 503,204.80 is: 755,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,278.80 : 1,089,985.20 = 503,204.80 : x
  2. Step 2: Convert to fraction form
    726,278.80/1,089,985.20 = 503,204.80/x
  3. Step 3: Cross multiply
    726,278.80x = 1,089,985.20 × 503,204.80
  4. Step 4: Simplify right side
    726,278.80x = 548,485,784,568.96
  5. Step 5: Solve for x
    x = 548,485,784,568.96/726,278.80
  6. Step 6: Final answer
    x = 755,200.05

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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.