Home / 510,568.11-704,578.16-281,120.58

Finding the Fourth Proportional to 510,568.11, 704,578.16 and 281,120.58

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Solution

The fourth proportional to 510,568.11, 704,578.16 and 281,120.58 is: 387,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,568.11 : 704,578.16 = 281,120.58 : x
  2. Step 2: Convert to fraction form
    510,568.11/704,578.16 = 281,120.58/x
  3. Step 3: Cross multiply
    510,568.11x = 704,578.16 × 281,120.58
  4. Step 4: Simplify right side
    510,568.11x = 198,071,421,697.33
  5. Step 5: Solve for x
    x = 198,071,421,697.33/510,568.11
  6. Step 6: Final answer
    x = 387,943.19

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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.