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Finding the Fourth Proportional to 544,504.47, 751,399.09 and 302,780.62

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Solution

The fourth proportional to 544,504.47, 751,399.09 and 302,780.62 is: 417,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,504.47 : 751,399.09 = 302,780.62 : x
  2. Step 2: Convert to fraction form
    544,504.47/751,399.09 = 302,780.62/x
  3. Step 3: Cross multiply
    544,504.47x = 751,399.09 × 302,780.62
  4. Step 4: Simplify right side
    544,504.47x = 227,509,082,337.64
  5. Step 5: Solve for x
    x = 227,509,082,337.64/544,504.47
  6. Step 6: Final answer
    x = 417,827.76

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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.