Home / 979,249.66-1,468,882.68-269,316.64

Finding the Fourth Proportional to 979,249.66, 1,468,882.68 and 269,316.64

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Solution

The fourth proportional to 979,249.66, 1,468,882.68 and 269,316.64 is: 403,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,249.66 : 1,468,882.68 = 269,316.64 : x
  2. Step 2: Convert to fraction form
    979,249.66/1,468,882.68 = 269,316.64/x
  3. Step 3: Cross multiply
    979,249.66x = 1,468,882.68 × 269,316.64
  4. Step 4: Simplify right side
    979,249.66x = 395,594,547,931.80
  5. Step 5: Solve for x
    x = 395,594,547,931.80/979,249.66
  6. Step 6: Final answer
    x = 403,977.21

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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.