Home / 614,933.25-921,532.82-290,375.05

Finding the Fourth Proportional to 614,933.25, 921,532.82 and 290,375.05

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Solution

The fourth proportional to 614,933.25, 921,532.82 and 290,375.05 is: 435,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,933.25 : 921,532.82 = 290,375.05 : x
  2. Step 2: Convert to fraction form
    614,933.25/921,532.82 = 290,375.05/x
  3. Step 3: Cross multiply
    614,933.25x = 921,532.82 × 290,375.05
  4. Step 4: Simplify right side
    614,933.25x = 267,590,138,684.14
  5. Step 5: Solve for x
    x = 267,590,138,684.14/614,933.25
  6. Step 6: Final answer
    x = 435,153.15

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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.