Home / 726,966.78-1,090,626.30-228,330.78

Finding the Fourth Proportional to 726,966.78, 1,090,626.30 and 228,330.78

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Solution

The fourth proportional to 726,966.78, 1,090,626.30 and 228,330.78 is: 342,551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,966.78 : 1,090,626.30 = 228,330.78 : x
  2. Step 2: Convert to fraction form
    726,966.78/1,090,626.30 = 228,330.78/x
  3. Step 3: Cross multiply
    726,966.78x = 1,090,626.30 × 228,330.78
  4. Step 4: Simplify right side
    726,966.78x = 249,023,553,767.51
  5. Step 5: Solve for x
    x = 249,023,553,767.51/726,966.78
  6. Step 6: Final answer
    x = 342,551.49

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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.