Home / 628,261.48-941,706.78-308,633.32

Finding the Fourth Proportional to 628,261.48, 941,706.78 and 308,633.32

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Solution

The fourth proportional to 628,261.48, 941,706.78 and 308,633.32 is: 462,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,261.48 : 941,706.78 = 308,633.32 : x
  2. Step 2: Convert to fraction form
    628,261.48/941,706.78 = 308,633.32/x
  3. Step 3: Cross multiply
    628,261.48x = 941,706.78 × 308,633.32
  4. Step 4: Simplify right side
    628,261.48x = 290,642,089,977.91
  5. Step 5: Solve for x
    x = 290,642,089,977.91/628,261.48
  6. Step 6: Final answer
    x = 462,613.26

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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.