Home / 669,666.96-1,004,645.93-220,433.45

Finding the Fourth Proportional to 669,666.96, 1,004,645.93 and 220,433.45

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Solution

The fourth proportional to 669,666.96, 1,004,645.93 and 220,433.45 is: 330,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,666.96 : 1,004,645.93 = 220,433.45 : x
  2. Step 2: Convert to fraction form
    669,666.96/1,004,645.93 = 220,433.45/x
  3. Step 3: Cross multiply
    669,666.96x = 1,004,645.93 × 220,433.45
  4. Step 4: Simplify right side
    669,666.96x = 221,457,562,252.96
  5. Step 5: Solve for x
    x = 221,457,562,252.96/669,666.96
  6. Step 6: Final answer
    x = 330,698.06

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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.