Home / 726,765.40-1,090,323.06-228,129.40

Finding the Fourth Proportional to 726,765.40, 1,090,323.06 and 228,129.40

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Solution

The fourth proportional to 726,765.40, 1,090,323.06 and 228,129.40 is: 342,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,765.40 : 1,090,323.06 = 228,129.40 : x
  2. Step 2: Convert to fraction form
    726,765.40/1,090,323.06 = 228,129.40/x
  3. Step 3: Cross multiply
    726,765.40x = 1,090,323.06 × 228,129.40
  4. Step 4: Simplify right side
    726,765.40x = 248,734,745,483.96
  5. Step 5: Solve for x
    x = 248,734,745,483.96/726,765.40
  6. Step 6: Final answer
    x = 342,249.02

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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.