Home / 855,249.05-1,281,849.76-399,226.74

Finding the Fourth Proportional to 855,249.05, 1,281,849.76 and 399,226.74

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Solution

The fourth proportional to 855,249.05, 1,281,849.76 and 399,226.74 is: 598,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,249.05 : 1,281,849.76 = 399,226.74 : x
  2. Step 2: Convert to fraction form
    855,249.05/1,281,849.76 = 399,226.74/x
  3. Step 3: Cross multiply
    855,249.05x = 1,281,849.76 × 399,226.74
  4. Step 4: Simplify right side
    855,249.05x = 511,748,701,511.43
  5. Step 5: Solve for x
    x = 511,748,701,511.43/855,249.05
  6. Step 6: Final answer
    x = 598,362.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.