Home / 846,244.31-1,269,576.56-419,980.19

Finding the Fourth Proportional to 846,244.31, 1,269,576.56 and 419,980.19

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Solution

The fourth proportional to 846,244.31, 1,269,576.56 and 419,980.19 is: 630,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,244.31 : 1,269,576.56 = 419,980.19 : x
  2. Step 2: Convert to fraction form
    846,244.31/1,269,576.56 = 419,980.19/x
  3. Step 3: Cross multiply
    846,244.31x = 1,269,576.56 × 419,980.19
  4. Step 4: Simplify right side
    846,244.31x = 533,196,996,440.56
  5. Step 5: Solve for x
    x = 533,196,996,440.56/846,244.31
  6. Step 6: Final answer
    x = 630,074.55

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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.