Home / 869,121.20-1,302,904.20-336,465.20

Finding the Fourth Proportional to 869,121.20, 1,302,904.20 and 336,465.20

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Solution

The fourth proportional to 869,121.20, 1,302,904.20 and 336,465.20 is: 504,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,121.20 : 1,302,904.20 = 336,465.20 : x
  2. Step 2: Convert to fraction form
    869,121.20/1,302,904.20 = 336,465.20/x
  3. Step 3: Cross multiply
    869,121.20x = 1,302,904.20 × 336,465.20
  4. Step 4: Simplify right side
    869,121.20x = 438,381,922,233.84
  5. Step 5: Solve for x
    x = 438,381,922,233.84/869,121.20
  6. Step 6: Final answer
    x = 504,396.77

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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.