Home / 731,281.20-1,096,403.40-281,828.40

Finding the Fourth Proportional to 731,281.20, 1,096,403.40 and 281,828.40

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Solution

The fourth proportional to 731,281.20, 1,096,403.40 and 281,828.40 is: 422,542.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,281.20 : 1,096,403.40 = 281,828.40 : x
  2. Step 2: Convert to fraction form
    731,281.20/1,096,403.40 = 281,828.40/x
  3. Step 3: Cross multiply
    731,281.20x = 1,096,403.40 × 281,828.40
  4. Step 4: Simplify right side
    731,281.20x = 308,997,615,976.56
  5. Step 5: Solve for x
    x = 308,997,615,976.56/731,281.20
  6. Step 6: Final answer
    x = 422,542.81

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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.