Home / 726,703.61-1,001,811.66-511,174.76

Finding the Fourth Proportional to 726,703.61, 1,001,811.66 and 511,174.76

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Solution

The fourth proportional to 726,703.61, 1,001,811.66 and 511,174.76 is: 704,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,703.61 : 1,001,811.66 = 511,174.76 : x
  2. Step 2: Convert to fraction form
    726,703.61/1,001,811.66 = 511,174.76/x
  3. Step 3: Cross multiply
    726,703.61x = 1,001,811.66 × 511,174.76
  4. Step 4: Simplify right side
    726,703.61x = 512,100,834,865.70
  5. Step 5: Solve for x
    x = 512,100,834,865.70/726,703.61
  6. Step 6: Final answer
    x = 704,690.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.