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Finding the Fourth Proportional to 595,422.96, 821,693.01 and 323,496.24

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Solution

The fourth proportional to 595,422.96, 821,693.01 and 323,496.24 is: 446,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,422.96 : 821,693.01 = 323,496.24 : x
  2. Step 2: Convert to fraction form
    595,422.96/821,693.01 = 323,496.24/x
  3. Step 3: Cross multiply
    595,422.96x = 821,693.01 × 323,496.24
  4. Step 4: Simplify right side
    595,422.96x = 265,814,599,169.28
  5. Step 5: Solve for x
    x = 265,814,599,169.28/595,422.96
  6. Step 6: Final answer
    x = 446,429.88

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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.