Home / 657,287.13-907,056.24-355,481.13

Finding the Fourth Proportional to 657,287.13, 907,056.24 and 355,481.13

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Solution

The fourth proportional to 657,287.13, 907,056.24 and 355,481.13 is: 490,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,287.13 : 907,056.24 = 355,481.13 : x
  2. Step 2: Convert to fraction form
    657,287.13/907,056.24 = 355,481.13/x
  3. Step 3: Cross multiply
    657,287.13x = 907,056.24 × 355,481.13
  4. Step 4: Simplify right side
    657,287.13x = 322,441,377,168.75
  5. Step 5: Solve for x
    x = 322,441,377,168.75/657,287.13
  6. Step 6: Final answer
    x = 490,563.96

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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.