Home / 603,845.72-905,767.98-154,565.86

Finding the Fourth Proportional to 603,845.72, 905,767.98 and 154,565.86

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Solution

The fourth proportional to 603,845.72, 905,767.98 and 154,565.86 is: 231,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,845.72 : 905,767.98 = 154,565.86 : x
  2. Step 2: Convert to fraction form
    603,845.72/905,767.98 = 154,565.86/x
  3. Step 3: Cross multiply
    603,845.72x = 905,767.98 × 154,565.86
  4. Step 4: Simplify right side
    603,845.72x = 140,000,806,789.16
  5. Step 5: Solve for x
    x = 140,000,806,789.16/603,845.72
  6. Step 6: Final answer
    x = 231,848.64

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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.