Home / 656,150.36-905,487.49-354,344.36

Finding the Fourth Proportional to 656,150.36, 905,487.49 and 354,344.36

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Solution

The fourth proportional to 656,150.36, 905,487.49 and 354,344.36 is: 488,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,150.36 : 905,487.49 = 354,344.36 : x
  2. Step 2: Convert to fraction form
    656,150.36/905,487.49 = 354,344.36/x
  3. Step 3: Cross multiply
    656,150.36x = 905,487.49 × 354,344.36
  4. Step 4: Simplify right side
    656,150.36x = 320,854,378,832.90
  5. Step 5: Solve for x
    x = 320,854,378,832.90/656,150.36
  6. Step 6: Final answer
    x = 488,995.21

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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.