Home / 789,045.60-1,183,568.40-290,344.80

Finding the Fourth Proportional to 789,045.60, 1,183,568.40 and 290,344.80

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Solution

The fourth proportional to 789,045.60, 1,183,568.40 and 290,344.80 is: 435,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,045.60 : 1,183,568.40 = 290,344.80 : x
  2. Step 2: Convert to fraction form
    789,045.60/1,183,568.40 = 290,344.80/x
  3. Step 3: Cross multiply
    789,045.60x = 1,183,568.40 × 290,344.80
  4. Step 4: Simplify right side
    789,045.60x = 343,642,930,384.32
  5. Step 5: Solve for x
    x = 343,642,930,384.32/789,045.60
  6. Step 6: Final answer
    x = 435,517.20

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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.