Home / 384,914.80-576,278.70-363,968.20

Finding the Fourth Proportional to 384,914.80, 576,278.70 and 363,968.20

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Solution

The fourth proportional to 384,914.80, 576,278.70 and 363,968.20 is: 544,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,914.80 : 576,278.70 = 363,968.20 : x
  2. Step 2: Convert to fraction form
    384,914.80/576,278.70 = 363,968.20/x
  3. Step 3: Cross multiply
    384,914.80x = 576,278.70 × 363,968.20
  4. Step 4: Simplify right side
    384,914.80x = 209,747,121,137.34
  5. Step 5: Solve for x
    x = 209,747,121,137.34/384,914.80
  6. Step 6: Final answer
    x = 544,918.31

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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.