Home / 669,405.99-1,004,141.28-220,116.93

Finding the Fourth Proportional to 669,405.99, 1,004,141.28 and 220,116.93

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Solution

The fourth proportional to 669,405.99, 1,004,141.28 and 220,116.93 is: 330,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,405.99 : 1,004,141.28 = 220,116.93 : x
  2. Step 2: Convert to fraction form
    669,405.99/1,004,141.28 = 220,116.93/x
  3. Step 3: Cross multiply
    669,405.99x = 1,004,141.28 × 220,116.93
  4. Step 4: Simplify right side
    669,405.99x = 221,028,495,839.87
  5. Step 5: Solve for x
    x = 221,028,495,839.87/669,405.99
  6. Step 6: Final answer
    x = 330,186.01

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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.