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Finding the Fourth Proportional to 650,550.90, 978,159.15 and 547,907.70

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Solution

The fourth proportional to 650,550.90, 978,159.15 and 547,907.70 is: 823,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,550.90 : 978,159.15 = 547,907.70 : x
  2. Step 2: Convert to fraction form
    650,550.90/978,159.15 = 547,907.70/x
  3. Step 3: Cross multiply
    650,550.90x = 978,159.15 × 547,907.70
  4. Step 4: Simplify right side
    650,550.90x = 535,940,930,110.46
  5. Step 5: Solve for x
    x = 535,940,930,110.46/650,550.90
  6. Step 6: Final answer
    x = 823,826.28

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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.