Home / 677,807.40-1,016,718.30-204,496.86

Finding the Fourth Proportional to 677,807.40, 1,016,718.30 and 204,496.86

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Solution

The fourth proportional to 677,807.40, 1,016,718.30 and 204,496.86 is: 306,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,807.40 : 1,016,718.30 = 204,496.86 : x
  2. Step 2: Convert to fraction form
    677,807.40/1,016,718.30 = 204,496.86/x
  3. Step 3: Cross multiply
    677,807.40x = 1,016,718.30 × 204,496.86
  4. Step 4: Simplify right side
    677,807.40x = 207,915,699,854.54
  5. Step 5: Solve for x
    x = 207,915,699,854.54/677,807.40
  6. Step 6: Final answer
    x = 306,747.46

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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.