Home / 771,911.73-1,157,249.01-366,900.66

Finding the Fourth Proportional to 771,911.73, 1,157,249.01 and 366,900.66

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Solution

The fourth proportional to 771,911.73, 1,157,249.01 and 366,900.66 is: 550,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,911.73 : 1,157,249.01 = 366,900.66 : x
  2. Step 2: Convert to fraction form
    771,911.73/1,157,249.01 = 366,900.66/x
  3. Step 3: Cross multiply
    771,911.73x = 1,157,249.01 × 366,900.66
  4. Step 4: Simplify right side
    771,911.73x = 424,595,425,553.35
  5. Step 5: Solve for x
    x = 424,595,425,553.35/771,911.73
  6. Step 6: Final answer
    x = 550,056.97

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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.