Home / 669,588.62-1,004,271.96-220,315.10

Finding the Fourth Proportional to 669,588.62, 1,004,271.96 and 220,315.10

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Solution

The fourth proportional to 669,588.62, 1,004,271.96 and 220,315.10 is: 330,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,588.62 : 1,004,271.96 = 220,315.10 : x
  2. Step 2: Convert to fraction form
    669,588.62/1,004,271.96 = 220,315.10/x
  3. Step 3: Cross multiply
    669,588.62x = 1,004,271.96 × 220,315.10
  4. Step 4: Simplify right side
    669,588.62x = 221,256,277,294.60
  5. Step 5: Solve for x
    x = 221,256,277,294.60/669,588.62
  6. Step 6: Final answer
    x = 330,436.14

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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.