Home / 763,245.62-1,053,174.66-457,253.54

Finding the Fourth Proportional to 763,245.62, 1,053,174.66 and 457,253.54

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Solution

The fourth proportional to 763,245.62, 1,053,174.66 and 457,253.54 is: 630,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,245.62 : 1,053,174.66 = 457,253.54 : x
  2. Step 2: Convert to fraction form
    763,245.62/1,053,174.66 = 457,253.54/x
  3. Step 3: Cross multiply
    763,245.62x = 1,053,174.66 × 457,253.54
  4. Step 4: Simplify right side
    763,245.62x = 481,567,841,523.30
  5. Step 5: Solve for x
    x = 481,567,841,523.30/763,245.62
  6. Step 6: Final answer
    x = 630,947.40

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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.