Home / 789,021.60-1,182,171.60-367,432.80

Finding the Fourth Proportional to 789,021.60, 1,182,171.60 and 367,432.80

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Solution

The fourth proportional to 789,021.60, 1,182,171.60 and 367,432.80 is: 550,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,021.60 : 1,182,171.60 = 367,432.80 : x
  2. Step 2: Convert to fraction form
    789,021.60/1,182,171.60 = 367,432.80/x
  3. Step 3: Cross multiply
    789,021.60x = 1,182,171.60 × 367,432.80
  4. Step 4: Simplify right side
    789,021.60x = 434,368,621,068.48
  5. Step 5: Solve for x
    x = 434,368,621,068.48/789,021.60
  6. Step 6: Final answer
    x = 550,515.50

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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.