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Finding the Fourth Proportional to 479,621, 661,887.54 and 264,760.52

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Solution

The fourth proportional to 479,621, 661,887.54 and 264,760.52 is: 365,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,621 : 661,887.54 = 264,760.52 : x
  2. Step 2: Convert to fraction form
    479,621/661,887.54 = 264,760.52/x
  3. Step 3: Cross multiply
    479,621x = 661,887.54 × 264,760.52
  4. Step 4: Simplify right side
    479,621x = 175,241,689,271.92
  5. Step 5: Solve for x
    x = 175,241,689,271.92/479,621
  6. Step 6: Final answer
    x = 365,375.35

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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.