Home / 961,418.40-1,441,738.80-330,007.20

Finding the Fourth Proportional to 961,418.40, 1,441,738.80 and 330,007.20

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Solution

The fourth proportional to 961,418.40, 1,441,738.80 and 330,007.20 is: 494,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,418.40 : 1,441,738.80 = 330,007.20 : x
  2. Step 2: Convert to fraction form
    961,418.40/1,441,738.80 = 330,007.20/x
  3. Step 3: Cross multiply
    961,418.40x = 1,441,738.80 × 330,007.20
  4. Step 4: Simplify right side
    961,418.40x = 475,784,184,519.36
  5. Step 5: Solve for x
    x = 475,784,184,519.36/961,418.40
  6. Step 6: Final answer
    x = 494,877.34

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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.