Home / 469,260.24-647,409.42-308,202.60

Finding the Fourth Proportional to 469,260.24, 647,409.42 and 308,202.60

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Solution

The fourth proportional to 469,260.24, 647,409.42 and 308,202.60 is: 425,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,260.24 : 647,409.42 = 308,202.60 : x
  2. Step 2: Convert to fraction form
    469,260.24/647,409.42 = 308,202.60/x
  3. Step 3: Cross multiply
    469,260.24x = 647,409.42 × 308,202.60
  4. Step 4: Simplify right side
    469,260.24x = 199,533,266,508.49
  5. Step 5: Solve for x
    x = 199,533,266,508.49/469,260.24
  6. Step 6: Final answer
    x = 425,208.12

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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.