Home / 628,605.24-867,475.23-342,127.38

Finding the Fourth Proportional to 628,605.24, 867,475.23 and 342,127.38

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Solution

The fourth proportional to 628,605.24, 867,475.23 and 342,127.38 is: 472,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,605.24 : 867,475.23 = 342,127.38 : x
  2. Step 2: Convert to fraction form
    628,605.24/867,475.23 = 342,127.38/x
  3. Step 3: Cross multiply
    628,605.24x = 867,475.23 × 342,127.38
  4. Step 4: Simplify right side
    628,605.24x = 296,787,027,654.80
  5. Step 5: Solve for x
    x = 296,787,027,654.80/628,605.24
  6. Step 6: Final answer
    x = 472,135.78

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1.5x scale

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.