Home / 827,384.64-1,141,723.52-464,788.80

Finding the Fourth Proportional to 827,384.64, 1,141,723.52 and 464,788.80

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Solution

The fourth proportional to 827,384.64, 1,141,723.52 and 464,788.80 is: 641,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,384.64 : 1,141,723.52 = 464,788.80 : x
  2. Step 2: Convert to fraction form
    827,384.64/1,141,723.52 = 464,788.80/x
  3. Step 3: Cross multiply
    827,384.64x = 1,141,723.52 × 464,788.80
  4. Step 4: Simplify right side
    827,384.64x = 530,660,304,792.58
  5. Step 5: Solve for x
    x = 530,660,304,792.58/827,384.64
  6. Step 6: Final answer
    x = 641,370.75

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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.