Home / 672,641.00-1,008,488.42-312,429.41

Finding the Fourth Proportional to 672,641.00, 1,008,488.42 and 312,429.41

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Solution

The fourth proportional to 672,641.00, 1,008,488.42 and 312,429.41 is: 468,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,641.00 : 1,008,488.42 = 312,429.41 : x
  2. Step 2: Convert to fraction form
    672,641.00/1,008,488.42 = 312,429.41/x
  3. Step 3: Cross multiply
    672,641.00x = 1,008,488.42 × 312,429.41
  4. Step 4: Simplify right side
    672,641.00x = 315,081,442,867.80
  5. Step 5: Solve for x
    x = 315,081,442,867.80/672,641.00
  6. Step 6: Final answer
    x = 468,424.38

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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.