Home / 946,761.48-1,419,616.80-315,330.84

Finding the Fourth Proportional to 946,761.48, 1,419,616.80 and 315,330.84

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Solution

The fourth proportional to 946,761.48, 1,419,616.80 and 315,330.84 is: 472,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,761.48 : 1,419,616.80 = 315,330.84 : x
  2. Step 2: Convert to fraction form
    946,761.48/1,419,616.80 = 315,330.84/x
  3. Step 3: Cross multiply
    946,761.48x = 1,419,616.80 × 315,330.84
  4. Step 4: Simplify right side
    946,761.48x = 447,648,958,022.11
  5. Step 5: Solve for x
    x = 447,648,958,022.11/946,761.48
  6. Step 6: Final answer
    x = 472,821.26

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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.