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Finding the Fourth Proportional to 613,391.61, 846,421.05 and 452,333.37

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Solution

The fourth proportional to 613,391.61, 846,421.05 and 452,333.37 is: 624,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,391.61 : 846,421.05 = 452,333.37 : x
  2. Step 2: Convert to fraction form
    613,391.61/846,421.05 = 452,333.37/x
  3. Step 3: Cross multiply
    613,391.61x = 846,421.05 × 452,333.37
  4. Step 4: Simplify right side
    613,391.61x = 382,864,485,985.44
  5. Step 5: Solve for x
    x = 382,864,485,985.44/613,391.61
  6. Step 6: Final answer
    x = 624,176.27

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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.