Home / 677,511.27-1,016,365.59-361,795.95

Finding the Fourth Proportional to 677,511.27, 1,016,365.59 and 361,795.95

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Solution

The fourth proportional to 677,511.27, 1,016,365.59 and 361,795.95 is: 542,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,511.27 : 1,016,365.59 = 361,795.95 : x
  2. Step 2: Convert to fraction form
    677,511.27/1,016,365.59 = 361,795.95/x
  3. Step 3: Cross multiply
    677,511.27x = 1,016,365.59 × 361,795.95
  4. Step 4: Simplify right side
    677,511.27x = 367,716,954,181.36
  5. Step 5: Solve for x
    x = 367,716,954,181.36/677,511.27
  6. Step 6: Final answer
    x = 542,746.62

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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.