Home / 957,619.72-1,321,519.22-527,890.42

Finding the Fourth Proportional to 957,619.72, 1,321,519.22 and 527,890.42

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Solution

The fourth proportional to 957,619.72, 1,321,519.22 and 527,890.42 is: 728,490.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,619.72 : 1,321,519.22 = 527,890.42 : x
  2. Step 2: Convert to fraction form
    957,619.72/1,321,519.22 = 527,890.42/x
  3. Step 3: Cross multiply
    957,619.72x = 1,321,519.22 × 527,890.42
  4. Step 4: Simplify right side
    957,619.72x = 697,617,336,083.87
  5. Step 5: Solve for x
    x = 697,617,336,083.87/957,619.72
  6. Step 6: Final answer
    x = 728,490.99

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