Home / 846,245.81-1,269,578.81-419,981.69

Finding the Fourth Proportional to 846,245.81, 1,269,578.81 and 419,981.69

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Solution

The fourth proportional to 846,245.81, 1,269,578.81 and 419,981.69 is: 630,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,245.81 : 1,269,578.81 = 419,981.69 : x
  2. Step 2: Convert to fraction form
    846,245.81/1,269,578.81 = 419,981.69/x
  3. Step 3: Cross multiply
    846,245.81x = 1,269,578.81 × 419,981.69
  4. Step 4: Simplify right side
    846,245.81x = 533,199,845,764.19
  5. Step 5: Solve for x
    x = 533,199,845,764.19/846,245.81
  6. Step 6: Final answer
    x = 630,076.80

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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.