Home / 612,472.96-845,190.56-336,828.43

Finding the Fourth Proportional to 612,472.96, 845,190.56 and 336,828.43

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Solution

The fourth proportional to 612,472.96, 845,190.56 and 336,828.43 is: 464,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,472.96 : 845,190.56 = 336,828.43 : x
  2. Step 2: Convert to fraction form
    612,472.96/845,190.56 = 336,828.43/x
  3. Step 3: Cross multiply
    612,472.96x = 845,190.56 × 336,828.43
  4. Step 4: Simplify right side
    612,472.96x = 284,684,209,375.62
  5. Step 5: Solve for x
    x = 284,684,209,375.62/612,472.96
  6. Step 6: Final answer
    x = 464,811.07

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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.