Home / 510,788.43-704,919.87-281,345.67

Finding the Fourth Proportional to 510,788.43, 704,919.87 and 281,345.67

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Solution

The fourth proportional to 510,788.43, 704,919.87 and 281,345.67 is: 388,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,788.43 : 704,919.87 = 281,345.67 : x
  2. Step 2: Convert to fraction form
    510,788.43/704,919.87 = 281,345.67/x
  3. Step 3: Cross multiply
    510,788.43x = 704,919.87 × 281,345.67
  4. Step 4: Simplify right side
    510,788.43x = 198,326,153,121.46
  5. Step 5: Solve for x
    x = 198,326,153,121.46/510,788.43
  6. Step 6: Final answer
    x = 388,274.56

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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.