Home / 744,102.88-1,116,129.60-323,379.16

Finding the Fourth Proportional to 744,102.88, 1,116,129.60 and 323,379.16

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Solution

The fourth proportional to 744,102.88, 1,116,129.60 and 323,379.16 is: 485,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,102.88 : 1,116,129.60 = 323,379.16 : x
  2. Step 2: Convert to fraction form
    744,102.88/1,116,129.60 = 323,379.16/x
  3. Step 3: Cross multiply
    744,102.88x = 1,116,129.60 × 323,379.16
  4. Step 4: Simplify right side
    744,102.88x = 360,933,052,499.14
  5. Step 5: Solve for x
    x = 360,933,052,499.14/744,102.88
  6. Step 6: Final answer
    x = 485,058.00

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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.