Home / 671,027.82-925,713.23-398,941.35

Finding the Fourth Proportional to 671,027.82, 925,713.23 and 398,941.35

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Solution

The fourth proportional to 671,027.82, 925,713.23 and 398,941.35 is: 550,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,027.82 : 925,713.23 = 398,941.35 : x
  2. Step 2: Convert to fraction form
    671,027.82/925,713.23 = 398,941.35/x
  3. Step 3: Cross multiply
    671,027.82x = 925,713.23 × 398,941.35
  4. Step 4: Simplify right side
    671,027.82x = 369,305,283,694.35
  5. Step 5: Solve for x
    x = 369,305,283,694.35/671,027.82
  6. Step 6: Final answer
    x = 550,357.63

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Why These Related Problems?

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