Home / 628,824.33-867,793.17-342,360.13

Finding the Fourth Proportional to 628,824.33, 867,793.17 and 342,360.13

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Solution

The fourth proportional to 628,824.33, 867,793.17 and 342,360.13 is: 472,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,824.33 : 867,793.17 = 342,360.13 : x
  2. Step 2: Convert to fraction form
    628,824.33/867,793.17 = 342,360.13/x
  3. Step 3: Cross multiply
    628,824.33x = 867,793.17 × 342,360.13
  4. Step 4: Simplify right side
    628,824.33x = 297,097,782,494.31
  5. Step 5: Solve for x
    x = 297,097,782,494.31/628,824.33
  6. Step 6: Final answer
    x = 472,465.47

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Double scale
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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.