Home / 849,408.42-1,172,183.87-467,435.21

Finding the Fourth Proportional to 849,408.42, 1,172,183.87 and 467,435.21

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Solution

The fourth proportional to 849,408.42, 1,172,183.87 and 467,435.21 is: 645,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,408.42 : 1,172,183.87 = 467,435.21 : x
  2. Step 2: Convert to fraction form
    849,408.42/1,172,183.87 = 467,435.21/x
  3. Step 3: Cross multiply
    849,408.42x = 1,172,183.87 × 467,435.21
  4. Step 4: Simplify right side
    849,408.42x = 547,920,005,233.97
  5. Step 5: Solve for x
    x = 547,920,005,233.97/849,408.42
  6. Step 6: Final answer
    x = 645,060.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.