Home / 761,908.48-1,051,435.18-422,376.73

Finding the Fourth Proportional to 761,908.48, 1,051,435.18 and 422,376.73

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Solution

The fourth proportional to 761,908.48, 1,051,435.18 and 422,376.73 is: 582,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,908.48 : 1,051,435.18 = 422,376.73 : x
  2. Step 2: Convert to fraction form
    761,908.48/1,051,435.18 = 422,376.73/x
  3. Step 3: Cross multiply
    761,908.48x = 1,051,435.18 × 422,376.73
  4. Step 4: Simplify right side
    761,908.48x = 444,101,751,034.74
  5. Step 5: Solve for x
    x = 444,101,751,034.74/761,908.48
  6. Step 6: Final answer
    x = 582,880.71

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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.