Home / 875,162.79-1,207,949.36-569,999.61

Finding the Fourth Proportional to 875,162.79, 1,207,949.36 and 569,999.61

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Solution

The fourth proportional to 875,162.79, 1,207,949.36 and 569,999.61 is: 786,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,162.79 : 1,207,949.36 = 569,999.61 : x
  2. Step 2: Convert to fraction form
    875,162.79/1,207,949.36 = 569,999.61/x
  3. Step 3: Cross multiply
    875,162.79x = 1,207,949.36 × 569,999.61
  4. Step 4: Simplify right side
    875,162.79x = 688,530,661,249.75
  5. Step 5: Solve for x
    x = 688,530,661,249.75/875,162.79
  6. Step 6: Final answer
    x = 786,745.81

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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.