Home / 939,286.80-1,408,926.73-340,107.83

Finding the Fourth Proportional to 939,286.80, 1,408,926.73 and 340,107.83

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Solution

The fourth proportional to 939,286.80, 1,408,926.73 and 340,107.83 is: 510,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,286.80 : 1,408,926.73 = 340,107.83 : x
  2. Step 2: Convert to fraction form
    939,286.80/1,408,926.73 = 340,107.83/x
  3. Step 3: Cross multiply
    939,286.80x = 1,408,926.73 × 340,107.83
  4. Step 4: Simplify right side
    939,286.80x = 479,187,005,724.66
  5. Step 5: Solve for x
    x = 479,187,005,724.66/939,286.80
  6. Step 6: Final answer
    x = 510,160.48

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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.