Home / 1,098,155.74-1,646,847.70-329,424.23

Finding the Fourth Proportional to 1,098,155.74, 1,646,847.70 and 329,424.23

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Solution

The fourth proportional to 1,098,155.74, 1,646,847.70 and 329,424.23 is: 494,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,155.74 : 1,646,847.70 = 329,424.23 : x
  2. Step 2: Convert to fraction form
    1,098,155.74/1,646,847.70 = 329,424.23/x
  3. Step 3: Cross multiply
    1,098,155.74x = 1,646,847.70 × 329,424.23
  4. Step 4: Simplify right side
    1,098,155.74x = 542,511,535,499.77
  5. Step 5: Solve for x
    x = 542,511,535,499.77/1,098,155.74
  6. Step 6: Final answer
    x = 494,020.58

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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.