Home / 548,839.40-821,703.90-492,852.20

Finding the Fourth Proportional to 548,839.40, 821,703.90 and 492,852.20

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Solution

The fourth proportional to 548,839.40, 821,703.90 and 492,852.20 is: 737,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,839.40 : 821,703.90 = 492,852.20 : x
  2. Step 2: Convert to fraction form
    548,839.40/821,703.90 = 492,852.20/x
  3. Step 3: Cross multiply
    548,839.40x = 821,703.90 × 492,852.20
  4. Step 4: Simplify right side
    548,839.40x = 404,978,574,863.58
  5. Step 5: Solve for x
    x = 404,978,574,863.58/548,839.40
  6. Step 6: Final answer
    x = 737,881.75

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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.