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Finding the Fourth Proportional to 526,785.34, 726,958.23 and 285,062.62

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Solution

The fourth proportional to 526,785.34, 726,958.23 and 285,062.62 is: 393,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,785.34 : 726,958.23 = 285,062.62 : x
  2. Step 2: Convert to fraction form
    526,785.34/726,958.23 = 285,062.62/x
  3. Step 3: Cross multiply
    526,785.34x = 726,958.23 × 285,062.62
  4. Step 4: Simplify right side
    526,785.34x = 207,228,617,674.36
  5. Step 5: Solve for x
    x = 207,228,617,674.36/526,785.34
  6. Step 6: Final answer
    x = 393,383.42

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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.