Home / 726,783.22-1,090,091.78-194,345.77

Finding the Fourth Proportional to 726,783.22, 1,090,091.78 and 194,345.77

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Solution

The fourth proportional to 726,783.22, 1,090,091.78 and 194,345.77 is: 291,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,783.22 : 1,090,091.78 = 194,345.77 : x
  2. Step 2: Convert to fraction form
    726,783.22/1,090,091.78 = 194,345.77/x
  3. Step 3: Cross multiply
    726,783.22x = 1,090,091.78 × 194,345.77
  4. Step 4: Simplify right side
    726,783.22x = 211,854,720,904.31
  5. Step 5: Solve for x
    x = 211,854,720,904.31/726,783.22
  6. Step 6: Final answer
    x = 291,496.44

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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.