Home / 846,835.46-1,269,985.56-278,122.86

Finding the Fourth Proportional to 846,835.46, 1,269,985.56 and 278,122.86

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Solution

The fourth proportional to 846,835.46, 1,269,985.56 and 278,122.86 is: 417,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,835.46 : 1,269,985.56 = 278,122.86 : x
  2. Step 2: Convert to fraction form
    846,835.46/1,269,985.56 = 278,122.86/x
  3. Step 3: Cross multiply
    846,835.46x = 1,269,985.56 × 278,122.86
  4. Step 4: Simplify right side
    846,835.46x = 353,212,016,105.90
  5. Step 5: Solve for x
    x = 353,212,016,105.90/846,835.46
  6. Step 6: Final answer
    x = 417,096.40

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1.5x scale

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.