Home / 672,004.10-1,008,006.15-448,055.30

Finding the Fourth Proportional to 672,004.10, 1,008,006.15 and 448,055.30

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Solution

The fourth proportional to 672,004.10, 1,008,006.15 and 448,055.30 is: 672,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,004.10 : 1,008,006.15 = 448,055.30 : x
  2. Step 2: Convert to fraction form
    672,004.10/1,008,006.15 = 448,055.30/x
  3. Step 3: Cross multiply
    672,004.10x = 1,008,006.15 × 448,055.30
  4. Step 4: Simplify right side
    672,004.10x = 451,642,497,940.10
  5. Step 5: Solve for x
    x = 451,642,497,940.10/672,004.10
  6. Step 6: Final answer
    x = 672,082.95

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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.