Home / 726,971.34-1,090,629.54-228,335.34

Finding the Fourth Proportional to 726,971.34, 1,090,629.54 and 228,335.34

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Solution

The fourth proportional to 726,971.34, 1,090,629.54 and 228,335.34 is: 342,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,971.34 : 1,090,629.54 = 228,335.34 : x
  2. Step 2: Convert to fraction form
    726,971.34/1,090,629.54 = 228,335.34/x
  3. Step 3: Cross multiply
    726,971.34x = 1,090,629.54 × 228,335.34
  4. Step 4: Simplify right side
    726,971.34x = 249,029,266,829.94
  5. Step 5: Solve for x
    x = 249,029,266,829.94/726,971.34
  6. Step 6: Final answer
    x = 342,557.20

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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.