Home / 746,125.20-1,119,625.20-272,858.40

Finding the Fourth Proportional to 746,125.20, 1,119,625.20 and 272,858.40

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Solution

The fourth proportional to 746,125.20, 1,119,625.20 and 272,858.40 is: 409,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,125.20 : 1,119,625.20 = 272,858.40 : x
  2. Step 2: Convert to fraction form
    746,125.20/1,119,625.20 = 272,858.40/x
  3. Step 3: Cross multiply
    746,125.20x = 1,119,625.20 × 272,858.40
  4. Step 4: Simplify right side
    746,125.20x = 305,499,140,671.68
  5. Step 5: Solve for x
    x = 305,499,140,671.68/746,125.20
  6. Step 6: Final answer
    x = 409,447.56

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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.