Home / 946,760.40-1,419,703.20-414,007.20

Finding the Fourth Proportional to 946,760.40, 1,419,703.20 and 414,007.20

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Solution

The fourth proportional to 946,760.40, 1,419,703.20 and 414,007.20 is: 620,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,760.40 : 1,419,703.20 = 414,007.20 : x
  2. Step 2: Convert to fraction form
    946,760.40/1,419,703.20 = 414,007.20/x
  3. Step 3: Cross multiply
    946,760.40x = 1,419,703.20 × 414,007.20
  4. Step 4: Simplify right side
    946,760.40x = 587,767,346,663.04
  5. Step 5: Solve for x
    x = 587,767,346,663.04/946,760.40
  6. Step 6: Final answer
    x = 620,819.53

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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.