Home / 608,955.03-840,371.36-394,468.04

Finding the Fourth Proportional to 608,955.03, 840,371.36 and 394,468.04

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Solution

The fourth proportional to 608,955.03, 840,371.36 and 394,468.04 is: 544,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,955.03 : 840,371.36 = 394,468.04 : x
  2. Step 2: Convert to fraction form
    608,955.03/840,371.36 = 394,468.04/x
  3. Step 3: Cross multiply
    608,955.03x = 840,371.36 × 394,468.04
  4. Step 4: Simplify right side
    608,955.03x = 331,499,643,379.92
  5. Step 5: Solve for x
    x = 331,499,643,379.92/608,955.03
  6. Step 6: Final answer
    x = 544,374.59

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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.