Home / 946,727.75-1,420,104.20-315,641.77

Finding the Fourth Proportional to 946,727.75, 1,420,104.20 and 315,641.77

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Solution

The fourth proportional to 946,727.75, 1,420,104.20 and 315,641.77 is: 473,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,727.75 : 1,420,104.20 = 315,641.77 : x
  2. Step 2: Convert to fraction form
    946,727.75/1,420,104.20 = 315,641.77/x
  3. Step 3: Cross multiply
    946,727.75x = 1,420,104.20 × 315,641.77
  4. Step 4: Simplify right side
    946,727.75x = 448,244,198,143.97
  5. Step 5: Solve for x
    x = 448,244,198,143.97/946,727.75
  6. Step 6: Final answer
    x = 473,466.84

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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.