Home / 855,104.20-1,179,529.64-564,718.44

Finding the Fourth Proportional to 855,104.20, 1,179,529.64 and 564,718.44

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Solution

The fourth proportional to 855,104.20, 1,179,529.64 and 564,718.44 is: 778,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,104.20 : 1,179,529.64 = 564,718.44 : x
  2. Step 2: Convert to fraction form
    855,104.20/1,179,529.64 = 564,718.44/x
  3. Step 3: Cross multiply
    855,104.20x = 1,179,529.64 × 564,718.44
  4. Step 4: Simplify right side
    855,104.20x = 666,102,138,234.56
  5. Step 5: Solve for x
    x = 666,102,138,234.56/855,104.20
  6. Step 6: Final answer
    x = 778,971.89

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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.