Home / 726,699.74-1,001,806.31-511,170.89

Finding the Fourth Proportional to 726,699.74, 1,001,806.31 and 511,170.89

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Solution

The fourth proportional to 726,699.74, 1,001,806.31 and 511,170.89 is: 704,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,699.74 : 1,001,806.31 = 511,170.89 : x
  2. Step 2: Convert to fraction form
    726,699.74/1,001,806.31 = 511,170.89/x
  3. Step 3: Cross multiply
    726,699.74x = 1,001,806.31 × 511,170.89
  4. Step 4: Simplify right side
    726,699.74x = 512,094,219,359.21
  5. Step 5: Solve for x
    x = 512,094,219,359.21/726,699.74
  6. Step 6: Final answer
    x = 704,684.75

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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.