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Finding the Fourth Proportional to 493,164.72, 741,507.48 and 454,192.20

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Solution

The fourth proportional to 493,164.72, 741,507.48 and 454,192.20 is: 682,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,164.72 : 741,507.48 = 454,192.20 : x
  2. Step 2: Convert to fraction form
    493,164.72/741,507.48 = 454,192.20/x
  3. Step 3: Cross multiply
    493,164.72x = 741,507.48 × 454,192.20
  4. Step 4: Simplify right side
    493,164.72x = 336,786,913,657.66
  5. Step 5: Solve for x
    x = 336,786,913,657.66/493,164.72
  6. Step 6: Final answer
    x = 682,909.58

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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.