Home / 762,854.42-1,052,752.46-418,722.54

Finding the Fourth Proportional to 762,854.42, 1,052,752.46 and 418,722.54

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Solution

The fourth proportional to 762,854.42, 1,052,752.46 and 418,722.54 is: 577,844.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,854.42 : 1,052,752.46 = 418,722.54 : x
  2. Step 2: Convert to fraction form
    762,854.42/1,052,752.46 = 418,722.54/x
  3. Step 3: Cross multiply
    762,854.42x = 1,052,752.46 × 418,722.54
  4. Step 4: Simplify right side
    762,854.42x = 440,811,181,948.84
  5. Step 5: Solve for x
    x = 440,811,181,948.84/762,854.42
  6. Step 6: Final answer
    x = 577,844.44

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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.