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Finding the Fourth Proportional to 452,818.31, 624,892.64 and 248,872.70

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Solution

The fourth proportional to 452,818.31, 624,892.64 and 248,872.70 is: 343,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,818.31 : 624,892.64 = 248,872.70 : x
  2. Step 2: Convert to fraction form
    452,818.31/624,892.64 = 248,872.70/x
  3. Step 3: Cross multiply
    452,818.31x = 624,892.64 × 248,872.70
  4. Step 4: Simplify right side
    452,818.31x = 155,518,718,526.93
  5. Step 5: Solve for x
    x = 155,518,718,526.93/452,818.31
  6. Step 6: Final answer
    x = 343,446.18

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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.