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Finding the Fourth Proportional to 510,627.84, 704,660.47 and 281,180.35

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Solution

The fourth proportional to 510,627.84, 704,660.47 and 281,180.35 is: 388,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,627.84 : 704,660.47 = 281,180.35 : x
  2. Step 2: Convert to fraction form
    510,627.84/704,660.47 = 281,180.35/x
  3. Step 3: Cross multiply
    510,627.84x = 704,660.47 × 281,180.35
  4. Step 4: Simplify right side
    510,627.84x = 198,136,677,585.76
  5. Step 5: Solve for x
    x = 198,136,677,585.76/510,627.84
  6. Step 6: Final answer
    x = 388,025.61

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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.