Home / 782,645.32-1,174,494.08-277,204.51

Finding the Fourth Proportional to 782,645.32, 1,174,494.08 and 277,204.51

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Solution

The fourth proportional to 782,645.32, 1,174,494.08 and 277,204.51 is: 415,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,645.32 : 1,174,494.08 = 277,204.51 : x
  2. Step 2: Convert to fraction form
    782,645.32/1,174,494.08 = 277,204.51/x
  3. Step 3: Cross multiply
    782,645.32x = 1,174,494.08 × 277,204.51
  4. Step 4: Simplify right side
    782,645.32x = 325,575,055,944.30
  5. Step 5: Solve for x
    x = 325,575,055,944.30/782,645.32
  6. Step 6: Final answer
    x = 415,993.10

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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.