Home / 742,836.68-1,114,697.76-269,558.96

Finding the Fourth Proportional to 742,836.68, 1,114,697.76 and 269,558.96

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Solution

The fourth proportional to 742,836.68, 1,114,697.76 and 269,558.96 is: 404,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,836.68 : 1,114,697.76 = 269,558.96 : x
  2. Step 2: Convert to fraction form
    742,836.68/1,114,697.76 = 269,558.96/x
  3. Step 3: Cross multiply
    742,836.68x = 1,114,697.76 × 269,558.96
  4. Step 4: Simplify right side
    742,836.68x = 300,476,768,899.93
  5. Step 5: Solve for x
    x = 300,476,768,899.93/742,836.68
  6. Step 6: Final answer
    x = 404,499.10

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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.