Home / 810,192-1,118,051.73-447,631.14

Finding the Fourth Proportional to 810,192, 1,118,051.73 and 447,631.14

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Solution

The fourth proportional to 810,192, 1,118,051.73 and 447,631.14 is: 617,723.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,192 : 1,118,051.73 = 447,631.14 : x
  2. Step 2: Convert to fraction form
    810,192/1,118,051.73 = 447,631.14/x
  3. Step 3: Cross multiply
    810,192x = 1,118,051.73 × 447,631.14
  4. Step 4: Simplify right side
    810,192x = 500,474,770,478.87
  5. Step 5: Solve for x
    x = 500,474,770,478.87/810,192
  6. Step 6: Final answer
    x = 617,723.66

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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.