Home / 859,243.83-1,286,902.44-410,279.15

Finding the Fourth Proportional to 859,243.83, 1,286,902.44 and 410,279.15

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Solution

The fourth proportional to 859,243.83, 1,286,902.44 and 410,279.15 is: 614,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,243.83 : 1,286,902.44 = 410,279.15 : x
  2. Step 2: Convert to fraction form
    859,243.83/1,286,902.44 = 410,279.15/x
  3. Step 3: Cross multiply
    859,243.83x = 1,286,902.44 × 410,279.15
  4. Step 4: Simplify right side
    859,243.83x = 527,989,242,433.38
  5. Step 5: Solve for x
    x = 527,989,242,433.38/859,243.83
  6. Step 6: Final answer
    x = 614,481.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.