Home / 946,040.40-1,418,623.20-413,287.20

Finding the Fourth Proportional to 946,040.40, 1,418,623.20 and 413,287.20

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Solution

The fourth proportional to 946,040.40, 1,418,623.20 and 413,287.20 is: 619,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,040.40 : 1,418,623.20 = 413,287.20 : x
  2. Step 2: Convert to fraction form
    946,040.40/1,418,623.20 = 413,287.20/x
  3. Step 3: Cross multiply
    946,040.40x = 1,418,623.20 × 413,287.20
  4. Step 4: Simplify right side
    946,040.40x = 586,298,810,183.04
  5. Step 5: Solve for x
    x = 586,298,810,183.04/946,040.40
  6. Step 6: Final answer
    x = 619,739.72

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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.