Home / 479,579.40-719,810.82-243,087.48

Finding the Fourth Proportional to 479,579.40, 719,810.82 and 243,087.48

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Solution

The fourth proportional to 479,579.40, 719,810.82 and 243,087.48 is: 364,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,579.40 : 719,810.82 = 243,087.48 : x
  2. Step 2: Convert to fraction form
    479,579.40/719,810.82 = 243,087.48/x
  3. Step 3: Cross multiply
    479,579.40x = 719,810.82 × 243,087.48
  4. Step 4: Simplify right side
    479,579.40x = 174,976,998,310.53
  5. Step 5: Solve for x
    x = 174,976,998,310.53/479,579.40
  6. Step 6: Final answer
    x = 364,855.12

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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.