Home / 915,616.28-1,373,664.99-376,039.64

Finding the Fourth Proportional to 915,616.28, 1,373,664.99 and 376,039.64

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Solution

The fourth proportional to 915,616.28, 1,373,664.99 and 376,039.64 is: 564,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,616.28 : 1,373,664.99 = 376,039.64 : x
  2. Step 2: Convert to fraction form
    915,616.28/1,373,664.99 = 376,039.64/x
  3. Step 3: Cross multiply
    915,616.28x = 1,373,664.99 × 376,039.64
  4. Step 4: Simplify right side
    915,616.28x = 516,552,488,320.20
  5. Step 5: Solve for x
    x = 516,552,488,320.20/915,616.28
  6. Step 6: Final answer
    x = 564,158.26

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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.