Home / 816,014.80-1,224,022.20-739,907.20

Finding the Fourth Proportional to 816,014.80, 1,224,022.20 and 739,907.20

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Solution

The fourth proportional to 816,014.80, 1,224,022.20 and 739,907.20 is: 1,109,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,014.80 : 1,224,022.20 = 739,907.20 : x
  2. Step 2: Convert to fraction form
    816,014.80/1,224,022.20 = 739,907.20/x
  3. Step 3: Cross multiply
    816,014.80x = 1,224,022.20 × 739,907.20
  4. Step 4: Simplify right side
    816,014.80x = 905,662,838,739.84
  5. Step 5: Solve for x
    x = 905,662,838,739.84/816,014.80
  6. Step 6: Final answer
    x = 1,109,860.80

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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.