Home / 814,922.48-1,222,633.98-389,001.80

Finding the Fourth Proportional to 814,922.48, 1,222,633.98 and 389,001.80

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Solution

The fourth proportional to 814,922.48, 1,222,633.98 and 389,001.80 is: 583,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,922.48 : 1,222,633.98 = 389,001.80 : x
  2. Step 2: Convert to fraction form
    814,922.48/1,222,633.98 = 389,001.80/x
  3. Step 3: Cross multiply
    814,922.48x = 1,222,633.98 × 389,001.80
  4. Step 4: Simplify right side
    814,922.48x = 475,606,818,961.16
  5. Step 5: Solve for x
    x = 475,606,818,961.16/814,922.48
  6. Step 6: Final answer
    x = 583,622.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.