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Finding the Fourth Proportional to 664,182.27, 996,565.01 and 348,565.37

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Solution

The fourth proportional to 664,182.27, 996,565.01 and 348,565.37 is: 523,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,182.27 : 996,565.01 = 348,565.37 : x
  2. Step 2: Convert to fraction form
    664,182.27/996,565.01 = 348,565.37/x
  3. Step 3: Cross multiply
    664,182.27x = 996,565.01 × 348,565.37
  4. Step 4: Simplify right side
    664,182.27x = 347,368,044,714.05
  5. Step 5: Solve for x
    x = 347,368,044,714.05/664,182.27
  6. Step 6: Final answer
    x = 523,001.08

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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.