Home / 778,997.85-1,168,316.34-246,419.61

Finding the Fourth Proportional to 778,997.85, 1,168,316.34 and 246,419.61

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Solution

The fourth proportional to 778,997.85, 1,168,316.34 and 246,419.61 is: 369,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,997.85 : 1,168,316.34 = 246,419.61 : x
  2. Step 2: Convert to fraction form
    778,997.85/1,168,316.34 = 246,419.61/x
  3. Step 3: Cross multiply
    778,997.85x = 1,168,316.34 × 246,419.61
  4. Step 4: Simplify right side
    778,997.85x = 287,896,056,859.43
  5. Step 5: Solve for x
    x = 287,896,056,859.43/778,997.85
  6. Step 6: Final answer
    x = 369,572.34

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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.