Home / 669,271.70-1,004,275.89-290,195.34

Finding the Fourth Proportional to 669,271.70, 1,004,275.89 and 290,195.34

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Solution

The fourth proportional to 669,271.70, 1,004,275.89 and 290,195.34 is: 435,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,271.70 : 1,004,275.89 = 290,195.34 : x
  2. Step 2: Convert to fraction form
    669,271.70/1,004,275.89 = 290,195.34/x
  3. Step 3: Cross multiply
    669,271.70x = 1,004,275.89 × 290,195.34
  4. Step 4: Simplify right side
    669,271.70x = 291,436,183,352.35
  5. Step 5: Solve for x
    x = 291,436,183,352.35/669,271.70
  6. Step 6: Final answer
    x = 435,452.72

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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.