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Finding the Fourth Proportional to 689,876.04, 952,019.44 and 383,952.37

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Solution

The fourth proportional to 689,876.04, 952,019.44 and 383,952.37 is: 529,848.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,876.04 : 952,019.44 = 383,952.37 : x
  2. Step 2: Convert to fraction form
    689,876.04/952,019.44 = 383,952.37/x
  3. Step 3: Cross multiply
    689,876.04x = 952,019.44 × 383,952.37
  4. Step 4: Simplify right side
    689,876.04x = 365,530,120,274.07
  5. Step 5: Solve for x
    x = 365,530,120,274.07/689,876.04
  6. Step 6: Final answer
    x = 529,848.99

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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.