Home / 846,243.49-1,269,575.33-419,979.37

Finding the Fourth Proportional to 846,243.49, 1,269,575.33 and 419,979.37

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Solution

The fourth proportional to 846,243.49, 1,269,575.33 and 419,979.37 is: 630,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,243.49 : 1,269,575.33 = 419,979.37 : x
  2. Step 2: Convert to fraction form
    846,243.49/1,269,575.33 = 419,979.37/x
  3. Step 3: Cross multiply
    846,243.49x = 1,269,575.33 × 419,979.37
  4. Step 4: Simplify right side
    846,243.49x = 533,195,447,260.94
  5. Step 5: Solve for x
    x = 533,195,447,260.94/846,243.49
  6. Step 6: Final answer
    x = 630,073.32

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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.