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Finding the Fourth Proportional to 544,452.86, 816,845.44 and 278,400.26

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Solution

The fourth proportional to 544,452.86, 816,845.44 and 278,400.26 is: 417,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,452.86 : 816,845.44 = 278,400.26 : x
  2. Step 2: Convert to fraction form
    544,452.86/816,845.44 = 278,400.26/x
  3. Step 3: Cross multiply
    544,452.86x = 816,845.44 × 278,400.26
  4. Step 4: Simplify right side
    544,452.86x = 227,409,982,875.81
  5. Step 5: Solve for x
    x = 227,409,982,875.81/544,452.86
  6. Step 6: Final answer
    x = 417,685.35

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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.