Home / 738,285.18-1,107,231.21-264,899.58

Finding the Fourth Proportional to 738,285.18, 1,107,231.21 and 264,899.58

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Solution

The fourth proportional to 738,285.18, 1,107,231.21 and 264,899.58 is: 397,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,285.18 : 1,107,231.21 = 264,899.58 : x
  2. Step 2: Convert to fraction form
    738,285.18/1,107,231.21 = 264,899.58/x
  3. Step 3: Cross multiply
    738,285.18x = 1,107,231.21 × 264,899.58
  4. Step 4: Simplify right side
    738,285.18x = 293,305,082,491.89
  5. Step 5: Solve for x
    x = 293,305,082,491.89/738,285.18
  6. Step 6: Final answer
    x = 397,278.84

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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.