Home / 626,575.82-938,680.05-485,644.46

Finding the Fourth Proportional to 626,575.82, 938,680.05 and 485,644.46

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Solution

The fourth proportional to 626,575.82, 938,680.05 and 485,644.46 is: 727,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,575.82 : 938,680.05 = 485,644.46 : x
  2. Step 2: Convert to fraction form
    626,575.82/938,680.05 = 485,644.46/x
  3. Step 3: Cross multiply
    626,575.82x = 938,680.05 × 485,644.46
  4. Step 4: Simplify right side
    626,575.82x = 455,864,765,995.02
  5. Step 5: Solve for x
    x = 455,864,765,995.02/626,575.82
  6. Step 6: Final answer
    x = 727,549.25

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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.