Home / 513,272.56-708,320.73-283,845.29

Finding the Fourth Proportional to 513,272.56, 708,320.73 and 283,845.29

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Solution

The fourth proportional to 513,272.56, 708,320.73 and 283,845.29 is: 391,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,272.56 : 708,320.73 = 283,845.29 : x
  2. Step 2: Convert to fraction form
    513,272.56/708,320.73 = 283,845.29/x
  3. Step 3: Cross multiply
    513,272.56x = 708,320.73 × 283,845.29
  4. Step 4: Simplify right side
    513,272.56x = 201,053,498,413.84
  5. Step 5: Solve for x
    x = 201,053,498,413.84/513,272.56
  6. Step 6: Final answer
    x = 391,709.03

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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.