Home / 717,345.92-1,076,160.84-205,015.66

Finding the Fourth Proportional to 717,345.92, 1,076,160.84 and 205,015.66

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Solution

The fourth proportional to 717,345.92, 1,076,160.84 and 205,015.66 is: 307,564.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,345.92 : 1,076,160.84 = 205,015.66 : x
  2. Step 2: Convert to fraction form
    717,345.92/1,076,160.84 = 205,015.66/x
  3. Step 3: Cross multiply
    717,345.92x = 1,076,160.84 × 205,015.66
  4. Step 4: Simplify right side
    717,345.92x = 220,629,821,419.54
  5. Step 5: Solve for x
    x = 220,629,821,419.54/717,345.92
  6. Step 6: Final answer
    x = 307,564.06

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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.