Home / 688,933.58-950,674.48-382,991.33

Finding the Fourth Proportional to 688,933.58, 950,674.48 and 382,991.33

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Solution

The fourth proportional to 688,933.58, 950,674.48 and 382,991.33 is: 528,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,933.58 : 950,674.48 = 382,991.33 : x
  2. Step 2: Convert to fraction form
    688,933.58/950,674.48 = 382,991.33/x
  3. Step 3: Cross multiply
    688,933.58x = 950,674.48 × 382,991.33
  4. Step 4: Simplify right side
    688,933.58x = 364,100,082,121.00
  5. Step 5: Solve for x
    x = 364,100,082,121.00/688,933.58
  6. Step 6: Final answer
    x = 528,498.09

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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.