Home / 469,371.24-647,562.58-308,313

Finding the Fourth Proportional to 469,371.24, 647,562.58 and 308,313

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Solution

The fourth proportional to 469,371.24, 647,562.58 and 308,313 is: 425,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,371.24 : 647,562.58 = 308,313 : x
  2. Step 2: Convert to fraction form
    469,371.24/647,562.58 = 308,313/x
  3. Step 3: Cross multiply
    469,371.24x = 647,562.58 × 308,313
  4. Step 4: Simplify right side
    469,371.24x = 199,651,961,727.54
  5. Step 5: Solve for x
    x = 199,651,961,727.54/469,371.24
  6. Step 6: Final answer
    x = 425,360.45

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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.