Home / 670,299.50-1,005,514.86-220,836.98

Finding the Fourth Proportional to 670,299.50, 1,005,514.86 and 220,836.98

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Solution

The fourth proportional to 670,299.50, 1,005,514.86 and 220,836.98 is: 331,277.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,299.50 : 1,005,514.86 = 220,836.98 : x
  2. Step 2: Convert to fraction form
    670,299.50/1,005,514.86 = 220,836.98/x
  3. Step 3: Cross multiply
    670,299.50x = 1,005,514.86 × 220,836.98
  4. Step 4: Simplify right side
    670,299.50x = 222,054,868,369.45
  5. Step 5: Solve for x
    x = 222,054,868,369.45/670,299.50
  6. Step 6: Final answer
    x = 331,277.09

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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.