Home / 628,152.62-867,004.58-356,379.59

Finding the Fourth Proportional to 628,152.62, 867,004.58 and 356,379.59

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Solution

The fourth proportional to 628,152.62, 867,004.58 and 356,379.59 is: 491,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,152.62 : 867,004.58 = 356,379.59 : x
  2. Step 2: Convert to fraction form
    628,152.62/867,004.58 = 356,379.59/x
  3. Step 3: Cross multiply
    628,152.62x = 867,004.58 × 356,379.59
  4. Step 4: Simplify right side
    628,152.62x = 308,982,730,631.60
  5. Step 5: Solve for x
    x = 308,982,730,631.60/628,152.62
  6. Step 6: Final answer
    x = 491,891.18

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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.