Home / 726,222.80-1,089,901.20-503,148.80

Finding the Fourth Proportional to 726,222.80, 1,089,901.20 and 503,148.80

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Solution

The fourth proportional to 726,222.80, 1,089,901.20 and 503,148.80 is: 755,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,222.80 : 1,089,901.20 = 503,148.80 : x
  2. Step 2: Convert to fraction form
    726,222.80/1,089,901.20 = 503,148.80/x
  3. Step 3: Cross multiply
    726,222.80x = 1,089,901.20 × 503,148.80
  4. Step 4: Simplify right side
    726,222.80x = 548,382,480,898.56
  5. Step 5: Solve for x
    x = 548,382,480,898.56/726,222.80
  6. Step 6: Final answer
    x = 755,116.03

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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.