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Finding the Fourth Proportional to 479,505.95, 661,714.94 and 264,646.01

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Solution

The fourth proportional to 479,505.95, 661,714.94 and 264,646.01 is: 365,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,505.95 : 661,714.94 = 264,646.01 : x
  2. Step 2: Convert to fraction form
    479,505.95/661,714.94 = 264,646.01/x
  3. Step 3: Cross multiply
    479,505.95x = 661,714.94 × 264,646.01
  4. Step 4: Simplify right side
    479,505.95x = 175,120,218,628.39
  5. Step 5: Solve for x
    x = 175,120,218,628.39/479,505.95
  6. Step 6: Final answer
    x = 365,209.69

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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.