Home / 628,284.20-941,770.20-307,992.58

Finding the Fourth Proportional to 628,284.20, 941,770.20 and 307,992.58

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Solution

The fourth proportional to 628,284.20, 941,770.20 and 307,992.58 is: 461,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,284.20 : 941,770.20 = 307,992.58 : x
  2. Step 2: Convert to fraction form
    628,284.20/941,770.20 = 307,992.58/x
  3. Step 3: Cross multiply
    628,284.20x = 941,770.20 × 307,992.58
  4. Step 4: Simplify right side
    628,284.20x = 290,058,237,153.01
  5. Step 5: Solve for x
    x = 290,058,237,153.01/628,284.20
  6. Step 6: Final answer
    x = 461,667.25

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1.5x scale

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.