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Finding the Fourth Proportional to 837,455.30, 1,255,794.15 and 363,896.90

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Solution

The fourth proportional to 837,455.30, 1,255,794.15 and 363,896.90 is: 545,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,455.30 : 1,255,794.15 = 363,896.90 : x
  2. Step 2: Convert to fraction form
    837,455.30/1,255,794.15 = 363,896.90/x
  3. Step 3: Cross multiply
    837,455.30x = 1,255,794.15 × 363,896.90
  4. Step 4: Simplify right side
    837,455.30x = 456,979,598,223.14
  5. Step 5: Solve for x
    x = 456,979,598,223.14/837,455.30
  6. Step 6: Final answer
    x = 545,676.41

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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.