Home / 657,896.04-907,899.26-356,090.04

Finding the Fourth Proportional to 657,896.04, 907,899.26 and 356,090.04

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Solution

The fourth proportional to 657,896.04, 907,899.26 and 356,090.04 is: 491,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,896.04 : 907,899.26 = 356,090.04 : x
  2. Step 2: Convert to fraction form
    657,896.04/907,899.26 = 356,090.04/x
  3. Step 3: Cross multiply
    657,896.04x = 907,899.26 × 356,090.04
  4. Step 4: Simplify right side
    657,896.04x = 323,293,882,028.92
  5. Step 5: Solve for x
    x = 323,293,882,028.92/657,896.04
  6. Step 6: Final answer
    x = 491,405.73

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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.