Home / 723,906.70-1,085,989.65-303,225.10

Finding the Fourth Proportional to 723,906.70, 1,085,989.65 and 303,225.10

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Solution

The fourth proportional to 723,906.70, 1,085,989.65 and 303,225.10 is: 454,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,906.70 : 1,085,989.65 = 303,225.10 : x
  2. Step 2: Convert to fraction form
    723,906.70/1,085,989.65 = 303,225.10/x
  3. Step 3: Cross multiply
    723,906.70x = 1,085,989.65 × 303,225.10
  4. Step 4: Simplify right side
    723,906.70x = 329,299,320,220.22
  5. Step 5: Solve for x
    x = 329,299,320,220.22/723,906.70
  6. Step 6: Final answer
    x = 454,891.94

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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.