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Finding the Fourth Proportional to 688,750.83, 950,469.93 and 382,819.37

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Solution

The fourth proportional to 688,750.83, 950,469.93 and 382,819.37 is: 528,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,750.83 : 950,469.93 = 382,819.37 : x
  2. Step 2: Convert to fraction form
    688,750.83/950,469.93 = 382,819.37/x
  3. Step 3: Cross multiply
    688,750.83x = 950,469.93 × 382,819.37
  4. Step 4: Simplify right side
    688,750.83x = 363,858,295,054.19
  5. Step 5: Solve for x
    x = 363,858,295,054.19/688,750.83
  6. Step 6: Final answer
    x = 528,287.27

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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.