Home / 804,155.13-1,109,753.40-436,647.90

Finding the Fourth Proportional to 804,155.13, 1,109,753.40 and 436,647.90

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Solution

The fourth proportional to 804,155.13, 1,109,753.40 and 436,647.90 is: 602,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,155.13 : 1,109,753.40 = 436,647.90 : x
  2. Step 2: Convert to fraction form
    804,155.13/1,109,753.40 = 436,647.90/x
  3. Step 3: Cross multiply
    804,155.13x = 1,109,753.40 × 436,647.90
  4. Step 4: Simplify right side
    804,155.13x = 484,571,491,627.86
  5. Step 5: Solve for x
    x = 484,571,491,627.86/804,155.13
  6. Step 6: Final answer
    x = 602,584.59

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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.