Home / 913,246.39-1,369,879.00-407,833.12

Finding the Fourth Proportional to 913,246.39, 1,369,879.00 and 407,833.12

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Solution

The fourth proportional to 913,246.39, 1,369,879.00 and 407,833.12 is: 611,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,246.39 : 1,369,879.00 = 407,833.12 : x
  2. Step 2: Convert to fraction form
    913,246.39/1,369,879.00 = 407,833.12/x
  3. Step 3: Cross multiply
    913,246.39x = 1,369,879.00 × 407,833.12
  4. Step 4: Simplify right side
    913,246.39x = 558,682,022,148.20
  5. Step 5: Solve for x
    x = 558,682,022,148.20/913,246.39
  6. Step 6: Final answer
    x = 611,753.88

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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.