Home / 639,335.02-882,284.20-348,949.26

Finding the Fourth Proportional to 639,335.02, 882,284.20 and 348,949.26

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Solution

The fourth proportional to 639,335.02, 882,284.20 and 348,949.26 is: 481,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,335.02 : 882,284.20 = 348,949.26 : x
  2. Step 2: Convert to fraction form
    639,335.02/882,284.20 = 348,949.26/x
  3. Step 3: Cross multiply
    639,335.02x = 882,284.20 × 348,949.26
  4. Step 4: Simplify right side
    639,335.02x = 307,872,418,699.69
  5. Step 5: Solve for x
    x = 307,872,418,699.69/639,335.02
  6. Step 6: Final answer
    x = 481,551.00

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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.