Home / 762,273.92-1,051,911.52-422,773.76

Finding the Fourth Proportional to 762,273.92, 1,051,911.52 and 422,773.76

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Solution

The fourth proportional to 762,273.92, 1,051,911.52 and 422,773.76 is: 583,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,273.92 : 1,051,911.52 = 422,773.76 : x
  2. Step 2: Convert to fraction form
    762,273.92/1,051,911.52 = 422,773.76/x
  3. Step 3: Cross multiply
    762,273.92x = 1,051,911.52 × 422,773.76
  4. Step 4: Simplify right side
    762,273.92x = 444,720,588,497.72
  5. Step 5: Solve for x
    x = 444,720,588,497.72/762,273.92
  6. Step 6: Final answer
    x = 583,413.10

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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.