Home / 804,710.50-1,110,520.47-442,157.83

Finding the Fourth Proportional to 804,710.50, 1,110,520.47 and 442,157.83

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Solution

The fourth proportional to 804,710.50, 1,110,520.47 and 442,157.83 is: 610,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,710.50 : 1,110,520.47 = 442,157.83 : x
  2. Step 2: Convert to fraction form
    804,710.50/1,110,520.47 = 442,157.83/x
  3. Step 3: Cross multiply
    804,710.50x = 1,110,520.47 × 442,157.83
  4. Step 4: Simplify right side
    804,710.50x = 491,025,321,185.78
  5. Step 5: Solve for x
    x = 491,025,321,185.78/804,710.50
  6. Step 6: Final answer
    x = 610,188.78

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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.