Home / 813,425.27-1,220,148.28-307,850.49

Finding the Fourth Proportional to 813,425.27, 1,220,148.28 and 307,850.49

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Solution

The fourth proportional to 813,425.27, 1,220,148.28 and 307,850.49 is: 461,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,425.27 : 1,220,148.28 = 307,850.49 : x
  2. Step 2: Convert to fraction form
    813,425.27/1,220,148.28 = 307,850.49/x
  3. Step 3: Cross multiply
    813,425.27x = 1,220,148.28 × 307,850.49
  4. Step 4: Simplify right side
    813,425.27x = 375,623,244,523.81
  5. Step 5: Solve for x
    x = 375,623,244,523.81/813,425.27
  6. Step 6: Final answer
    x = 461,779.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.