Home / 762,637.61-1,052,404.62-418,464.97

Finding the Fourth Proportional to 762,637.61, 1,052,404.62 and 418,464.97

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Solution

The fourth proportional to 762,637.61, 1,052,404.62 and 418,464.97 is: 577,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,637.61 : 1,052,404.62 = 418,464.97 : x
  2. Step 2: Convert to fraction form
    762,637.61/1,052,404.62 = 418,464.97/x
  3. Step 3: Cross multiply
    762,637.61x = 1,052,404.62 × 418,464.97
  4. Step 4: Simplify right side
    762,637.61x = 440,394,463,535.91
  5. Step 5: Solve for x
    x = 440,394,463,535.91/762,637.61
  6. Step 6: Final answer
    x = 577,462.29

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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.