Home / 876,279.80-1,314,419.70-561,351.80

Finding the Fourth Proportional to 876,279.80, 1,314,419.70 and 561,351.80

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Solution

The fourth proportional to 876,279.80, 1,314,419.70 and 561,351.80 is: 842,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,279.80 : 1,314,419.70 = 561,351.80 : x
  2. Step 2: Convert to fraction form
    876,279.80/1,314,419.70 = 561,351.80/x
  3. Step 3: Cross multiply
    876,279.80x = 1,314,419.70 × 561,351.80
  4. Step 4: Simplify right side
    876,279.80x = 737,851,864,550.46
  5. Step 5: Solve for x
    x = 737,851,864,550.46/876,279.80
  6. Step 6: Final answer
    x = 842,027.70

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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.