Home / 766,815-1,058,283.44-460,990.38

Finding the Fourth Proportional to 766,815, 1,058,283.44 and 460,990.38

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Solution

The fourth proportional to 766,815, 1,058,283.44 and 460,990.38 is: 636,214.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,815 : 1,058,283.44 = 460,990.38 : x
  2. Step 2: Convert to fraction form
    766,815/1,058,283.44 = 460,990.38/x
  3. Step 3: Cross multiply
    766,815x = 1,058,283.44 × 460,990.38
  4. Step 4: Simplify right side
    766,815x = 487,858,485,153.31
  5. Step 5: Solve for x
    x = 487,858,485,153.31/766,815
  6. Step 6: Final answer
    x = 636,214.06

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1.5x scale

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.