Home / 804,144.80-1,203,202.31-478,742.66

Finding the Fourth Proportional to 804,144.80, 1,203,202.31 and 478,742.66

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Solution

The fourth proportional to 804,144.80, 1,203,202.31 and 478,742.66 is: 716,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,144.80 : 1,203,202.31 = 478,742.66 : x
  2. Step 2: Convert to fraction form
    804,144.80/1,203,202.31 = 478,742.66/x
  3. Step 3: Cross multiply
    804,144.80x = 1,203,202.31 × 478,742.66
  4. Step 4: Simplify right side
    804,144.80x = 576,024,265,997.82
  5. Step 5: Solve for x
    x = 576,024,265,997.82/804,144.80
  6. Step 6: Final answer
    x = 716,319.09

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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.