Home / 628,605.06-867,474.96-342,127.19

Finding the Fourth Proportional to 628,605.06, 867,474.96 and 342,127.19

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Solution

The fourth proportional to 628,605.06, 867,474.96 and 342,127.19 is: 472,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,605.06 : 867,474.96 = 342,127.19 : x
  2. Step 2: Convert to fraction form
    628,605.06/867,474.96 = 342,127.19/x
  3. Step 3: Cross multiply
    628,605.06x = 867,474.96 × 342,127.19
  4. Step 4: Simplify right side
    628,605.06x = 296,786,766,122.79
  5. Step 5: Solve for x
    x = 296,786,766,122.79/628,605.06
  6. Step 6: Final answer
    x = 472,135.50

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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.