Home / 605,664.90-907,333.02-338,615.52

Finding the Fourth Proportional to 605,664.90, 907,333.02 and 338,615.52

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Solution

The fourth proportional to 605,664.90, 907,333.02 and 338,615.52 is: 507,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,664.90 : 907,333.02 = 338,615.52 : x
  2. Step 2: Convert to fraction form
    605,664.90/907,333.02 = 338,615.52/x
  3. Step 3: Cross multiply
    605,664.90x = 907,333.02 × 338,615.52
  4. Step 4: Simplify right side
    605,664.90x = 307,237,042,380.47
  5. Step 5: Solve for x
    x = 307,237,042,380.47/605,664.90
  6. Step 6: Final answer
    x = 507,272.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.