Home / 726,717.50-1,001,830.80-511,188.62

Finding the Fourth Proportional to 726,717.50, 1,001,830.80 and 511,188.62

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Solution

The fourth proportional to 726,717.50, 1,001,830.80 and 511,188.62 is: 704,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,717.50 : 1,001,830.80 = 511,188.62 : x
  2. Step 2: Convert to fraction form
    726,717.50/1,001,830.80 = 511,188.62/x
  3. Step 3: Cross multiply
    726,717.50x = 1,001,830.80 × 511,188.62
  4. Step 4: Simplify right side
    726,717.50x = 512,124,504,125.50
  5. Step 5: Solve for x
    x = 512,124,504,125.50/726,717.50
  6. Step 6: Final answer
    x = 704,709.19

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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.