Home / 289,260.20-433,890.30-263,455.40

Finding the Fourth Proportional to 289,260.20, 433,890.30 and 263,455.40

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Solution

The fourth proportional to 289,260.20, 433,890.30 and 263,455.40 is: 395,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,260.20 : 433,890.30 = 263,455.40 : x
  2. Step 2: Convert to fraction form
    289,260.20/433,890.30 = 263,455.40/x
  3. Step 3: Cross multiply
    289,260.20x = 433,890.30 × 263,455.40
  4. Step 4: Simplify right side
    289,260.20x = 114,310,742,542.62
  5. Step 5: Solve for x
    x = 114,310,742,542.62/289,260.20
  6. Step 6: Final answer
    x = 395,183.10

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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.