Home / 967,320.64-1,450,979.22-257,348.68

Finding the Fourth Proportional to 967,320.64, 1,450,979.22 and 257,348.68

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Solution

The fourth proportional to 967,320.64, 1,450,979.22 and 257,348.68 is: 386,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,320.64 : 1,450,979.22 = 257,348.68 : x
  2. Step 2: Convert to fraction form
    967,320.64/1,450,979.22 = 257,348.68/x
  3. Step 3: Cross multiply
    967,320.64x = 1,450,979.22 × 257,348.68
  4. Step 4: Simplify right side
    967,320.64x = 373,407,586,974.43
  5. Step 5: Solve for x
    x = 373,407,586,974.43/967,320.64
  6. Step 6: Final answer
    x = 386,022.56

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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.