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Finding the Fourth Proportional to 452,705.88, 624,733.92 and 248,769.96

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Solution

The fourth proportional to 452,705.88, 624,733.92 and 248,769.96 is: 343,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,705.88 : 624,733.92 = 248,769.96 : x
  2. Step 2: Convert to fraction form
    452,705.88/624,733.92 = 248,769.96/x
  3. Step 3: Cross multiply
    452,705.88x = 624,733.92 × 248,769.96
  4. Step 4: Simplify right side
    452,705.88x = 155,415,032,289.04
  5. Step 5: Solve for x
    x = 155,415,032,289.04/452,705.88
  6. Step 6: Final answer
    x = 343,302.44

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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.