Home / 510,639.92-704,670.35-281,195.38

Finding the Fourth Proportional to 510,639.92, 704,670.35 and 281,195.38

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Solution

The fourth proportional to 510,639.92, 704,670.35 and 281,195.38 is: 388,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,639.92 : 704,670.35 = 281,195.38 : x
  2. Step 2: Convert to fraction form
    510,639.92/704,670.35 = 281,195.38/x
  3. Step 3: Cross multiply
    510,639.92x = 704,670.35 × 281,195.38
  4. Step 4: Simplify right side
    510,639.92x = 198,150,046,842.98
  5. Step 5: Solve for x
    x = 198,150,046,842.98/510,639.92
  6. Step 6: Final answer
    x = 388,042.61

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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.