Home / 873,891.76-1,309,619.04-660,484.48

Finding the Fourth Proportional to 873,891.76, 1,309,619.04 and 660,484.48

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Solution

The fourth proportional to 873,891.76, 1,309,619.04 and 660,484.48 is: 989,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,891.76 : 1,309,619.04 = 660,484.48 : x
  2. Step 2: Convert to fraction form
    873,891.76/1,309,619.04 = 660,484.48/x
  3. Step 3: Cross multiply
    873,891.76x = 1,309,619.04 × 660,484.48
  4. Step 4: Simplify right side
    873,891.76x = 864,983,050,632.50
  5. Step 5: Solve for x
    x = 864,983,050,632.50/873,891.76
  6. Step 6: Final answer
    x = 989,805.71

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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.