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Finding the Fourth Proportional to 557,884.94, 770,251.95 and 428,593.14

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Solution

The fourth proportional to 557,884.94, 770,251.95 and 428,593.14 is: 591,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,884.94 : 770,251.95 = 428,593.14 : x
  2. Step 2: Convert to fraction form
    557,884.94/770,251.95 = 428,593.14/x
  3. Step 3: Cross multiply
    557,884.94x = 770,251.95 × 428,593.14
  4. Step 4: Simplify right side
    557,884.94x = 330,124,701,841.62
  5. Step 5: Solve for x
    x = 330,124,701,841.62/557,884.94
  6. Step 6: Final answer
    x = 591,743.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.