Home / 873,184.15-1,309,776.52-392,850.97

Finding the Fourth Proportional to 873,184.15, 1,309,776.52 and 392,850.97

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Solution

The fourth proportional to 873,184.15, 1,309,776.52 and 392,850.97 is: 589,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,184.15 : 1,309,776.52 = 392,850.97 : x
  2. Step 2: Convert to fraction form
    873,184.15/1,309,776.52 = 392,850.97/x
  3. Step 3: Cross multiply
    873,184.15x = 1,309,776.52 × 392,850.97
  4. Step 4: Simplify right side
    873,184.15x = 514,546,976,365.22
  5. Step 5: Solve for x
    x = 514,546,976,365.22/873,184.15
  6. Step 6: Final answer
    x = 589,276.59

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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.