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Finding the Fourth Proportional to 510,544.39, 704,545.58 and 281,096.94

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Solution

The fourth proportional to 510,544.39, 704,545.58 and 281,096.94 is: 387,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,544.39 : 704,545.58 = 281,096.94 : x
  2. Step 2: Convert to fraction form
    510,544.39/704,545.58 = 281,096.94/x
  3. Step 3: Cross multiply
    510,544.39x = 704,545.58 × 281,096.94
  4. Step 4: Simplify right side
    510,544.39x = 198,045,601,700.31
  5. Step 5: Solve for x
    x = 198,045,601,700.31/510,544.39
  6. Step 6: Final answer
    x = 387,910.64

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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.