Home / 722,241.63-1,083,336.53-272,944.35

Finding the Fourth Proportional to 722,241.63, 1,083,336.53 and 272,944.35

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Solution

The fourth proportional to 722,241.63, 1,083,336.53 and 272,944.35 is: 409,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,241.63 : 1,083,336.53 = 272,944.35 : x
  2. Step 2: Convert to fraction form
    722,241.63/1,083,336.53 = 272,944.35/x
  3. Step 3: Cross multiply
    722,241.63x = 1,083,336.53 × 272,944.35
  4. Step 4: Simplify right side
    722,241.63x = 295,690,583,647.38
  5. Step 5: Solve for x
    x = 295,690,583,647.38/722,241.63
  6. Step 6: Final answer
    x = 409,406.73

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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.