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Finding the Fourth Proportional to 452,696.76, 624,738.42 and 271,438.20

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Solution

The fourth proportional to 452,696.76, 624,738.42 and 271,438.20 is: 374,594.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,696.76 : 624,738.42 = 271,438.20 : x
  2. Step 2: Convert to fraction form
    452,696.76/624,738.42 = 271,438.20/x
  3. Step 3: Cross multiply
    452,696.76x = 624,738.42 × 271,438.20
  4. Step 4: Simplify right side
    452,696.76x = 169,577,872,195.64
  5. Step 5: Solve for x
    x = 169,577,872,195.64/452,696.76
  6. Step 6: Final answer
    x = 374,594.84

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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.