Home / 939,503.92-1,296,498.40-571,847.92

Finding the Fourth Proportional to 939,503.92, 1,296,498.40 and 571,847.92

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Solution

The fourth proportional to 939,503.92, 1,296,498.40 and 571,847.92 is: 789,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,503.92 : 1,296,498.40 = 571,847.92 : x
  2. Step 2: Convert to fraction form
    939,503.92/1,296,498.40 = 571,847.92/x
  3. Step 3: Cross multiply
    939,503.92x = 1,296,498.40 × 571,847.92
  4. Step 4: Simplify right side
    939,503.92x = 741,399,913,323.33
  5. Step 5: Solve for x
    x = 741,399,913,323.33/939,503.92
  6. Step 6: Final answer
    x = 789,139.78

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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.