Home / 782,484.54-1,174,162.91-422,648.13

Finding the Fourth Proportional to 782,484.54, 1,174,162.91 and 422,648.13

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Solution

The fourth proportional to 782,484.54, 1,174,162.91 and 422,648.13 is: 634,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,484.54 : 1,174,162.91 = 422,648.13 : x
  2. Step 2: Convert to fraction form
    782,484.54/1,174,162.91 = 422,648.13/x
  3. Step 3: Cross multiply
    782,484.54x = 1,174,162.91 × 422,648.13
  4. Step 4: Simplify right side
    782,484.54x = 496,257,758,226.86
  5. Step 5: Solve for x
    x = 496,257,758,226.86/782,484.54
  6. Step 6: Final answer
    x = 634,207.75

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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.