Home / 899,644.21-1,349,702.91-323,325.72

Finding the Fourth Proportional to 899,644.21, 1,349,702.91 and 323,325.72

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Solution

The fourth proportional to 899,644.21, 1,349,702.91 and 323,325.72 is: 485,073.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,644.21 : 1,349,702.91 = 323,325.72 : x
  2. Step 2: Convert to fraction form
    899,644.21/1,349,702.91 = 323,325.72/x
  3. Step 3: Cross multiply
    899,644.21x = 1,349,702.91 × 323,325.72
  4. Step 4: Simplify right side
    899,644.21x = 436,393,665,161.85
  5. Step 5: Solve for x
    x = 436,393,665,161.85/899,644.21
  6. Step 6: Final answer
    x = 485,073.61

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Double scale
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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.