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Finding the Fourth Proportional to 602,596.87, 903,419.75 and 298,781.55

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Solution

The fourth proportional to 602,596.87, 903,419.75 and 298,781.55 is: 447,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,596.87 : 903,419.75 = 298,781.55 : x
  2. Step 2: Convert to fraction form
    602,596.87/903,419.75 = 298,781.55/x
  3. Step 3: Cross multiply
    602,596.87x = 903,419.75 × 298,781.55
  4. Step 4: Simplify right side
    602,596.87x = 269,925,153,952.57
  5. Step 5: Solve for x
    x = 269,925,153,952.57/602,596.87
  6. Step 6: Final answer
    x = 447,936.54

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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.