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Finding the Fourth Proportional to 733,708.70, 1,100,757.45 and 260,344.70

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Solution

The fourth proportional to 733,708.70, 1,100,757.45 and 260,344.70 is: 390,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,708.70 : 1,100,757.45 = 260,344.70 : x
  2. Step 2: Convert to fraction form
    733,708.70/1,100,757.45 = 260,344.70/x
  3. Step 3: Cross multiply
    733,708.70x = 1,100,757.45 × 260,344.70
  4. Step 4: Simplify right side
    733,708.70x = 286,576,368,093.02
  5. Step 5: Solve for x
    x = 286,576,368,093.02/733,708.70
  6. Step 6: Final answer
    x = 390,586.03

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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.