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Finding the Fourth Proportional to 479,343.34, 661,507.65 and 264,497.24

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Solution

The fourth proportional to 479,343.34, 661,507.65 and 264,497.24 is: 365,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,343.34 : 661,507.65 = 264,497.24 : x
  2. Step 2: Convert to fraction form
    479,343.34/661,507.65 = 264,497.24/x
  3. Step 3: Cross multiply
    479,343.34x = 661,507.65 × 264,497.24
  4. Step 4: Simplify right side
    479,343.34x = 174,966,946,341.40
  5. Step 5: Solve for x
    x = 174,966,946,341.40/479,343.34
  6. Step 6: Final answer
    x = 365,013.83

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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.