Home / 628,793.48-867,587.46-356,799.94

Finding the Fourth Proportional to 628,793.48, 867,587.46 and 356,799.94

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Solution

The fourth proportional to 628,793.48, 867,587.46 and 356,799.94 is: 492,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,793.48 : 867,587.46 = 356,799.94 : x
  2. Step 2: Convert to fraction form
    628,793.48/867,587.46 = 356,799.94/x
  3. Step 3: Cross multiply
    628,793.48x = 867,587.46 × 356,799.94
  4. Step 4: Simplify right side
    628,793.48x = 309,555,150,165.78
  5. Step 5: Solve for x
    x = 309,555,150,165.78/628,793.48
  6. Step 6: Final answer
    x = 492,300.19

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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.