Home / 846,445.25-1,269,709.40-340,937.97

Finding the Fourth Proportional to 846,445.25, 1,269,709.40 and 340,937.97

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Solution

The fourth proportional to 846,445.25, 1,269,709.40 and 340,937.97 is: 511,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,445.25 : 1,269,709.40 = 340,937.97 : x
  2. Step 2: Convert to fraction form
    846,445.25/1,269,709.40 = 340,937.97/x
  3. Step 3: Cross multiply
    846,445.25x = 1,269,709.40 × 340,937.97
  4. Step 4: Simplify right side
    846,445.25x = 432,892,150,300.42
  5. Step 5: Solve for x
    x = 432,892,150,300.42/846,445.25
  6. Step 6: Final answer
    x = 511,423.68

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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.