Home / 628,111.60-941,875.80-272,942.80

Finding the Fourth Proportional to 628,111.60, 941,875.80 and 272,942.80

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Solution

The fourth proportional to 628,111.60, 941,875.80 and 272,942.80 is: 409,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,111.60 : 941,875.80 = 272,942.80 : x
  2. Step 2: Convert to fraction form
    628,111.60/941,875.80 = 272,942.80/x
  3. Step 3: Cross multiply
    628,111.60x = 941,875.80 × 272,942.80
  4. Step 4: Simplify right side
    628,111.60x = 257,078,218,104.24
  5. Step 5: Solve for x
    x = 257,078,218,104.24/628,111.60
  6. Step 6: Final answer
    x = 409,287.49

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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.