Home / 799,280.64-1,198,817.28-378,823.68

Finding the Fourth Proportional to 799,280.64, 1,198,817.28 and 378,823.68

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Solution

The fourth proportional to 799,280.64, 1,198,817.28 and 378,823.68 is: 568,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,280.64 : 1,198,817.28 = 378,823.68 : x
  2. Step 2: Convert to fraction form
    799,280.64/1,198,817.28 = 378,823.68/x
  3. Step 3: Cross multiply
    799,280.64x = 1,198,817.28 × 378,823.68
  4. Step 4: Simplify right side
    799,280.64x = 454,140,373,657.19
  5. Step 5: Solve for x
    x = 454,140,373,657.19/799,280.64
  6. Step 6: Final answer
    x = 568,186.38

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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.