Home / 483,320.12-666,893.82-279,296.26

Finding the Fourth Proportional to 483,320.12, 666,893.82 and 279,296.26

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Solution

The fourth proportional to 483,320.12, 666,893.82 and 279,296.26 is: 385,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,320.12 : 666,893.82 = 279,296.26 : x
  2. Step 2: Convert to fraction form
    483,320.12/666,893.82 = 279,296.26/x
  3. Step 3: Cross multiply
    483,320.12x = 666,893.82 × 279,296.26
  4. Step 4: Simplify right side
    483,320.12x = 186,260,946,408.64
  5. Step 5: Solve for x
    x = 186,260,946,408.64/483,320.12
  6. Step 6: Final answer
    x = 385,378.01

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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.