Home / 804,103.12-1,109,663.85-464,571.64

Finding the Fourth Proportional to 804,103.12, 1,109,663.85 and 464,571.64

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Solution

The fourth proportional to 804,103.12, 1,109,663.85 and 464,571.64 is: 641,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,103.12 : 1,109,663.85 = 464,571.64 : x
  2. Step 2: Convert to fraction form
    804,103.12/1,109,663.85 = 464,571.64/x
  3. Step 3: Cross multiply
    804,103.12x = 1,109,663.85 × 464,571.64
  4. Step 4: Simplify right side
    804,103.12x = 515,518,354,643.21
  5. Step 5: Solve for x
    x = 515,518,354,643.21/804,103.12
  6. Step 6: Final answer
    x = 641,109.76

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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.