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Finding the Fourth Proportional to 646,967.96, 892,803.88 and 360,481.88

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Solution

The fourth proportional to 646,967.96, 892,803.88 and 360,481.88 is: 497,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,967.96 : 892,803.88 = 360,481.88 : x
  2. Step 2: Convert to fraction form
    646,967.96/892,803.88 = 360,481.88/x
  3. Step 3: Cross multiply
    646,967.96x = 892,803.88 × 360,481.88
  4. Step 4: Simplify right side
    646,967.96x = 321,839,621,133.69
  5. Step 5: Solve for x
    x = 321,839,621,133.69/646,967.96
  6. Step 6: Final answer
    x = 497,458.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.