Home / 376,278.16-517,997.64-325,989.32

Finding the Fourth Proportional to 376,278.16, 517,997.64 and 325,989.32

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Solution

The fourth proportional to 376,278.16, 517,997.64 and 325,989.32 is: 448,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,278.16 : 517,997.64 = 325,989.32 : x
  2. Step 2: Convert to fraction form
    376,278.16/517,997.64 = 325,989.32/x
  3. Step 3: Cross multiply
    376,278.16x = 517,997.64 × 325,989.32
  4. Step 4: Simplify right side
    376,278.16x = 168,861,698,425.21
  5. Step 5: Solve for x
    x = 168,861,698,425.21/376,278.16
  6. Step 6: Final answer
    x = 448,768.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.