Home / 691,034.67-1,036,635.06-653,243.31

Finding the Fourth Proportional to 691,034.67, 1,036,635.06 and 653,243.31

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Solution

The fourth proportional to 691,034.67, 1,036,635.06 and 653,243.31 is: 979,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,034.67 : 1,036,635.06 = 653,243.31 : x
  2. Step 2: Convert to fraction form
    691,034.67/1,036,635.06 = 653,243.31/x
  3. Step 3: Cross multiply
    691,034.67x = 1,036,635.06 × 653,243.31
  4. Step 4: Simplify right side
    691,034.67x = 677,174,917,856.45
  5. Step 5: Solve for x
    x = 677,174,917,856.45/691,034.67
  6. Step 6: Final answer
    x = 979,943.48

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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.