Home / 496,161.13-684,410.07-312,106.35

Finding the Fourth Proportional to 496,161.13, 684,410.07 and 312,106.35

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Solution

The fourth proportional to 496,161.13, 684,410.07 and 312,106.35 is: 430,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,161.13 : 684,410.07 = 312,106.35 : x
  2. Step 2: Convert to fraction form
    496,161.13/684,410.07 = 312,106.35/x
  3. Step 3: Cross multiply
    496,161.13x = 684,410.07 × 312,106.35
  4. Step 4: Simplify right side
    496,161.13x = 213,608,728,850.94
  5. Step 5: Solve for x
    x = 213,608,728,850.94/496,161.13
  6. Step 6: Final answer
    x = 430,522.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.