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Finding the Fourth Proportional to 843,857.88, 1,265,625.54 and 252,881.88

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Solution

The fourth proportional to 843,857.88, 1,265,625.54 and 252,881.88 is: 379,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,857.88 : 1,265,625.54 = 252,881.88 : x
  2. Step 2: Convert to fraction form
    843,857.88/1,265,625.54 = 252,881.88/x
  3. Step 3: Cross multiply
    843,857.88x = 1,265,625.54 × 252,881.88
  4. Step 4: Simplify right side
    843,857.88x = 320,053,765,931.22
  5. Step 5: Solve for x
    x = 320,053,765,931.22/843,857.88
  6. Step 6: Final answer
    x = 379,274.49

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1.5x scale

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.