Home / 510,827.40-704,933.16-281,406.12

Finding the Fourth Proportional to 510,827.40, 704,933.16 and 281,406.12

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Solution

The fourth proportional to 510,827.40, 704,933.16 and 281,406.12 is: 388,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,827.40 : 704,933.16 = 281,406.12 : x
  2. Step 2: Convert to fraction form
    510,827.40/704,933.16 = 281,406.12/x
  3. Step 3: Cross multiply
    510,827.40x = 704,933.16 × 281,406.12
  4. Step 4: Simplify right side
    510,827.40x = 198,372,505,414.94
  5. Step 5: Solve for x
    x = 198,372,505,414.94/510,827.40
  6. Step 6: Final answer
    x = 388,335.68

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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.