Home / 946,225.20-1,419,564.84-315,144.72

Finding the Fourth Proportional to 946,225.20, 1,419,564.84 and 315,144.72

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Solution

The fourth proportional to 946,225.20, 1,419,564.84 and 315,144.72 is: 472,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,225.20 : 1,419,564.84 = 315,144.72 : x
  2. Step 2: Convert to fraction form
    946,225.20/1,419,564.84 = 315,144.72/x
  3. Step 3: Cross multiply
    946,225.20x = 1,419,564.84 × 315,144.72
  4. Step 4: Simplify right side
    946,225.20x = 447,368,364,023.65
  5. Step 5: Solve for x
    x = 447,368,364,023.65/946,225.20
  6. Step 6: Final answer
    x = 472,792.70

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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.