Home / 946,146.80-1,418,720.83-413,043.68

Finding the Fourth Proportional to 946,146.80, 1,418,720.83 and 413,043.68

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Solution

The fourth proportional to 946,146.80, 1,418,720.83 and 413,043.68 is: 619,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,146.80 : 1,418,720.83 = 413,043.68 : x
  2. Step 2: Convert to fraction form
    946,146.80/1,418,720.83 = 413,043.68/x
  3. Step 3: Cross multiply
    946,146.80x = 1,418,720.83 × 413,043.68
  4. Step 4: Simplify right side
    946,146.80x = 585,993,672,515.85
  5. Step 5: Solve for x
    x = 585,993,672,515.85/946,146.80
  6. Step 6: Final answer
    x = 619,347.52

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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.