Home / 496,544.80-743,942.40-407,315.20

Finding the Fourth Proportional to 496,544.80, 743,942.40 and 407,315.20

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Solution

The fourth proportional to 496,544.80, 743,942.40 and 407,315.20 is: 610,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,544.80 : 743,942.40 = 407,315.20 : x
  2. Step 2: Convert to fraction form
    496,544.80/743,942.40 = 407,315.20/x
  3. Step 3: Cross multiply
    496,544.80x = 743,942.40 × 407,315.20
  4. Step 4: Simplify right side
    496,544.80x = 303,019,047,444.48
  5. Step 5: Solve for x
    x = 303,019,047,444.48/496,544.80
  6. Step 6: Final answer
    x = 610,255.20

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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.