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Finding the Fourth Proportional to 614,782.35, 848,397.96 and 342,850.53

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Solution

The fourth proportional to 614,782.35, 848,397.96 and 342,850.53 is: 473,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,782.35 : 848,397.96 = 342,850.53 : x
  2. Step 2: Convert to fraction form
    614,782.35/848,397.96 = 342,850.53/x
  3. Step 3: Cross multiply
    614,782.35x = 848,397.96 × 342,850.53
  4. Step 4: Simplify right side
    614,782.35x = 290,873,690,236.92
  5. Step 5: Solve for x
    x = 290,873,690,236.92/614,782.35
  6. Step 6: Final answer
    x = 473,132.79

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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.