Home / 766,909.35-1,058,414.04-461,085.75

Finding the Fourth Proportional to 766,909.35, 1,058,414.04 and 461,085.75

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Solution

The fourth proportional to 766,909.35, 1,058,414.04 and 461,085.75 is: 636,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,909.35 : 1,058,414.04 = 461,085.75 : x
  2. Step 2: Convert to fraction form
    766,909.35/1,058,414.04 = 461,085.75/x
  3. Step 3: Cross multiply
    766,909.35x = 1,058,414.04 × 461,085.75
  4. Step 4: Simplify right side
    766,909.35x = 488,019,631,443.93
  5. Step 5: Solve for x
    x = 488,019,631,443.93/766,909.35
  6. Step 6: Final answer
    x = 636,345.91

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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.