Home / 939,498.30-1,409,240.70-229,519.80

Finding the Fourth Proportional to 939,498.30, 1,409,240.70 and 229,519.80

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Solution

The fourth proportional to 939,498.30, 1,409,240.70 and 229,519.80 is: 344,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,498.30 : 1,409,240.70 = 229,519.80 : x
  2. Step 2: Convert to fraction form
    939,498.30/1,409,240.70 = 229,519.80/x
  3. Step 3: Cross multiply
    939,498.30x = 1,409,240.70 × 229,519.80
  4. Step 4: Simplify right side
    939,498.30x = 323,448,643,615.86
  5. Step 5: Solve for x
    x = 323,448,643,615.86/939,498.30
  6. Step 6: Final answer
    x = 344,278.05

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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.