Home / 876,270.80-1,314,406.20-561,342.80

Finding the Fourth Proportional to 876,270.80, 1,314,406.20 and 561,342.80

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Solution

The fourth proportional to 876,270.80, 1,314,406.20 and 561,342.80 is: 842,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,270.80 : 1,314,406.20 = 561,342.80 : x
  2. Step 2: Convert to fraction form
    876,270.80/1,314,406.20 = 561,342.80/x
  3. Step 3: Cross multiply
    876,270.80x = 1,314,406.20 × 561,342.80
  4. Step 4: Simplify right side
    876,270.80x = 737,832,456,645.36
  5. Step 5: Solve for x
    x = 737,832,456,645.36/876,270.80
  6. Step 6: Final answer
    x = 842,014.20

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Double scale
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Similar ratio
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1.5x scale

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.