Home / 807,837.92-1,114,811.34-440,314.64

Finding the Fourth Proportional to 807,837.92, 1,114,811.34 and 440,314.64

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Solution

The fourth proportional to 807,837.92, 1,114,811.34 and 440,314.64 is: 607,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,837.92 : 1,114,811.34 = 440,314.64 : x
  2. Step 2: Convert to fraction form
    807,837.92/1,114,811.34 = 440,314.64/x
  3. Step 3: Cross multiply
    807,837.92x = 1,114,811.34 × 440,314.64
  4. Step 4: Simplify right side
    807,837.92x = 490,867,753,840.02
  5. Step 5: Solve for x
    x = 490,867,753,840.02/807,837.92
  6. Step 6: Final answer
    x = 607,631.48

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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.