Home / 726,766.40-1,090,324.56-228,130.40

Finding the Fourth Proportional to 726,766.40, 1,090,324.56 and 228,130.40

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Solution

The fourth proportional to 726,766.40, 1,090,324.56 and 228,130.40 is: 342,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,766.40 : 1,090,324.56 = 228,130.40 : x
  2. Step 2: Convert to fraction form
    726,766.40/1,090,324.56 = 228,130.40/x
  3. Step 3: Cross multiply
    726,766.40x = 1,090,324.56 × 228,130.40
  4. Step 4: Simplify right side
    726,766.40x = 248,736,178,002.62
  5. Step 5: Solve for x
    x = 248,736,178,002.62/726,766.40
  6. Step 6: Final answer
    x = 342,250.52

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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.