Home / 957,144.64-1,320,859.72-554,969.92

Finding the Fourth Proportional to 957,144.64, 1,320,859.72 and 554,969.92

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Solution

The fourth proportional to 957,144.64, 1,320,859.72 and 554,969.92 is: 765,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,144.64 : 1,320,859.72 = 554,969.92 : x
  2. Step 2: Convert to fraction form
    957,144.64/1,320,859.72 = 554,969.92/x
  3. Step 3: Cross multiply
    957,144.64x = 1,320,859.72 × 554,969.92
  4. Step 4: Simplify right side
    957,144.64x = 733,037,413,139.62
  5. Step 5: Solve for x
    x = 733,037,413,139.62/957,144.64
  6. Step 6: Final answer
    x = 765,858.56

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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.