Home / 821,167.64-1,232,414.88-348,185.12

Finding the Fourth Proportional to 821,167.64, 1,232,414.88 and 348,185.12

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Solution

The fourth proportional to 821,167.64, 1,232,414.88 and 348,185.12 is: 522,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,167.64 : 1,232,414.88 = 348,185.12 : x
  2. Step 2: Convert to fraction form
    821,167.64/1,232,414.88 = 348,185.12/x
  3. Step 3: Cross multiply
    821,167.64x = 1,232,414.88 × 348,185.12
  4. Step 4: Simplify right side
    821,167.64x = 429,108,522,882.59
  5. Step 5: Solve for x
    x = 429,108,522,882.59/821,167.64
  6. Step 6: Final answer
    x = 522,558.98

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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.