Home / 552,579.30-762,280.28-322,986.59

Finding the Fourth Proportional to 552,579.30, 762,280.28 and 322,986.59

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Solution

The fourth proportional to 552,579.30, 762,280.28 and 322,986.59 is: 445,558.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,579.30 : 762,280.28 = 322,986.59 : x
  2. Step 2: Convert to fraction form
    552,579.30/762,280.28 = 322,986.59/x
  3. Step 3: Cross multiply
    552,579.30x = 762,280.28 × 322,986.59
  4. Step 4: Simplify right side
    552,579.30x = 246,206,302,835.11
  5. Step 5: Solve for x
    x = 246,206,302,835.11/552,579.30
  6. Step 6: Final answer
    x = 445,558.32

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1.5x scale

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.