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Finding the Fourth Proportional to 624,851.84, 862,296 and 338,372.24

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Solution

The fourth proportional to 624,851.84, 862,296 and 338,372.24 is: 466,953.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,851.84 : 862,296 = 338,372.24 : x
  2. Step 2: Convert to fraction form
    624,851.84/862,296 = 338,372.24/x
  3. Step 3: Cross multiply
    624,851.84x = 862,296 × 338,372.24
  4. Step 4: Simplify right side
    624,851.84x = 291,777,029,063.04
  5. Step 5: Solve for x
    x = 291,777,029,063.04/624,851.84
  6. Step 6: Final answer
    x = 466,953.94

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1.5x scale

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.