Home / 628,504.20-867,343.86-342,032.04

Finding the Fourth Proportional to 628,504.20, 867,343.86 and 342,032.04

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Solution

The fourth proportional to 628,504.20, 867,343.86 and 342,032.04 is: 472,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,504.20 : 867,343.86 = 342,032.04 : x
  2. Step 2: Convert to fraction form
    628,504.20/867,343.86 = 342,032.04/x
  3. Step 3: Cross multiply
    628,504.20x = 867,343.86 × 342,032.04
  4. Step 4: Simplify right side
    628,504.20x = 296,659,389,817.27
  5. Step 5: Solve for x
    x = 296,659,389,817.27/628,504.20
  6. Step 6: Final answer
    x = 472,008.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.