Home / 670,010.43-1,004,799.67-220,624.30

Finding the Fourth Proportional to 670,010.43, 1,004,799.67 and 220,624.30

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Solution

The fourth proportional to 670,010.43, 1,004,799.67 and 220,624.30 is: 330,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,010.43 : 1,004,799.67 = 220,624.30 : x
  2. Step 2: Convert to fraction form
    670,010.43/1,004,799.67 = 220,624.30/x
  3. Step 3: Cross multiply
    670,010.43x = 1,004,799.67 × 220,624.30
  4. Step 4: Simplify right side
    670,010.43x = 221,683,223,833.98
  5. Step 5: Solve for x
    x = 221,683,223,833.98/670,010.43
  6. Step 6: Final answer
    x = 330,865.33

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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.