Home / 763,243.62-1,053,171.90-457,251.54

Finding the Fourth Proportional to 763,243.62, 1,053,171.90 and 457,251.54

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Solution

The fourth proportional to 763,243.62, 1,053,171.90 and 457,251.54 is: 630,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,243.62 : 1,053,171.90 = 457,251.54 : x
  2. Step 2: Convert to fraction form
    763,243.62/1,053,171.90 = 457,251.54/x
  3. Step 3: Cross multiply
    763,243.62x = 1,053,171.90 × 457,251.54
  4. Step 4: Simplify right side
    763,243.62x = 481,564,473,159.73
  5. Step 5: Solve for x
    x = 481,564,473,159.73/763,243.62
  6. Step 6: Final answer
    x = 630,944.64

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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.