Home / 766,640.85-1,057,965.91-460,721.93

Finding the Fourth Proportional to 766,640.85, 1,057,965.91 and 460,721.93

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Solution

The fourth proportional to 766,640.85, 1,057,965.91 and 460,721.93 is: 635,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,640.85 : 1,057,965.91 = 460,721.93 : x
  2. Step 2: Convert to fraction form
    766,640.85/1,057,965.91 = 460,721.93/x
  3. Step 3: Cross multiply
    766,640.85x = 1,057,965.91 × 460,721.93
  4. Step 4: Simplify right side
    766,640.85x = 487,428,089,487.77
  5. Step 5: Solve for x
    x = 487,428,089,487.77/766,640.85
  6. Step 6: Final answer
    x = 635,797.18

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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.