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Finding the Fourth Proportional to 452,528.46, 624,469.08 and 271,340.40

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Solution

The fourth proportional to 452,528.46, 624,469.08 and 271,340.40 is: 374,437.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,528.46 : 624,469.08 = 271,340.40 : x
  2. Step 2: Convert to fraction form
    452,528.46/624,469.08 = 271,340.40/x
  3. Step 3: Cross multiply
    452,528.46x = 624,469.08 × 271,340.40
  4. Step 4: Simplify right side
    452,528.46x = 169,443,689,954.83
  5. Step 5: Solve for x
    x = 169,443,689,954.83/452,528.46
  6. Step 6: Final answer
    x = 374,437.64

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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.