Home / 670,022.55-1,004,817.74-220,636.62

Finding the Fourth Proportional to 670,022.55, 1,004,817.74 and 220,636.62

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Solution

The fourth proportional to 670,022.55, 1,004,817.74 and 220,636.62 is: 330,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,022.55 : 1,004,817.74 = 220,636.62 : x
  2. Step 2: Convert to fraction form
    670,022.55/1,004,817.74 = 220,636.62/x
  3. Step 3: Cross multiply
    670,022.55x = 1,004,817.74 × 220,636.62
  4. Step 4: Simplify right side
    670,022.55x = 221,699,588,766.46
  5. Step 5: Solve for x
    x = 221,699,588,766.46/670,022.55
  6. Step 6: Final answer
    x = 330,883.77

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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.