Home / 751,921.16-1,037,716.80-412,455

Finding the Fourth Proportional to 751,921.16, 1,037,716.80 and 412,455

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Solution

The fourth proportional to 751,921.16, 1,037,716.80 and 412,455 is: 569,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,921.16 : 1,037,716.80 = 412,455 : x
  2. Step 2: Convert to fraction form
    751,921.16/1,037,716.80 = 412,455/x
  3. Step 3: Cross multiply
    751,921.16x = 1,037,716.80 × 412,455
  4. Step 4: Simplify right side
    751,921.16x = 428,011,482,744
  5. Step 5: Solve for x
    x = 428,011,482,744/751,921.16
  6. Step 6: Final answer
    x = 569,223.88

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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.