Home / 547,035.88-754,899.60-305,314.08

Finding the Fourth Proportional to 547,035.88, 754,899.60 and 305,314.08

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Solution

The fourth proportional to 547,035.88, 754,899.60 and 305,314.08 is: 421,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,035.88 : 754,899.60 = 305,314.08 : x
  2. Step 2: Convert to fraction form
    547,035.88/754,899.60 = 305,314.08/x
  3. Step 3: Cross multiply
    547,035.88x = 754,899.60 × 305,314.08
  4. Step 4: Simplify right side
    547,035.88x = 230,481,476,866.37
  5. Step 5: Solve for x
    x = 230,481,476,866.37/547,035.88
  6. Step 6: Final answer
    x = 421,327.90

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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.