Home / 479,836.20-719,326.53-243,057

Finding the Fourth Proportional to 479,836.20, 719,326.53 and 243,057

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Solution

The fourth proportional to 479,836.20, 719,326.53 and 243,057 is: 364,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,836.20 : 719,326.53 = 243,057 : x
  2. Step 2: Convert to fraction form
    479,836.20/719,326.53 = 243,057/x
  3. Step 3: Cross multiply
    479,836.20x = 719,326.53 × 243,057
  4. Step 4: Simplify right side
    479,836.20x = 174,837,348,402.21
  5. Step 5: Solve for x
    x = 174,837,348,402.21/479,836.20
  6. Step 6: Final answer
    x = 364,368.82

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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.