Home / 672,805.32-1,009,207.98-273,444.54

Finding the Fourth Proportional to 672,805.32, 1,009,207.98 and 273,444.54

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Solution

The fourth proportional to 672,805.32, 1,009,207.98 and 273,444.54 is: 410,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,805.32 : 1,009,207.98 = 273,444.54 : x
  2. Step 2: Convert to fraction form
    672,805.32/1,009,207.98 = 273,444.54/x
  3. Step 3: Cross multiply
    672,805.32x = 1,009,207.98 × 273,444.54
  4. Step 4: Simplify right side
    672,805.32x = 275,962,411,855.43
  5. Step 5: Solve for x
    x = 275,962,411,855.43/672,805.32
  6. Step 6: Final answer
    x = 410,166.81

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Similar ratio
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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.