Home / 672,928.11-1,009,610.87-449,198.01

Finding the Fourth Proportional to 672,928.11, 1,009,610.87 and 449,198.01

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Solution

The fourth proportional to 672,928.11, 1,009,610.87 and 449,198.01 is: 673,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,928.11 : 1,009,610.87 = 449,198.01 : x
  2. Step 2: Convert to fraction form
    672,928.11/1,009,610.87 = 449,198.01/x
  3. Step 3: Cross multiply
    672,928.11x = 1,009,610.87 × 449,198.01
  4. Step 4: Simplify right side
    672,928.11x = 453,515,191,432.38
  5. Step 5: Solve for x
    x = 453,515,191,432.38/672,928.11
  6. Step 6: Final answer
    x = 673,943.00

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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.