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Finding the Fourth Proportional to 603,000.10, 904,500.15 and 366,415.30

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Solution

The fourth proportional to 603,000.10, 904,500.15 and 366,415.30 is: 549,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,000.10 : 904,500.15 = 366,415.30 : x
  2. Step 2: Convert to fraction form
    603,000.10/904,500.15 = 366,415.30/x
  3. Step 3: Cross multiply
    603,000.10x = 904,500.15 × 366,415.30
  4. Step 4: Simplify right side
    603,000.10x = 331,422,693,812.30
  5. Step 5: Solve for x
    x = 331,422,693,812.30/603,000.10
  6. Step 6: Final answer
    x = 549,622.95

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Double scale
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Similar ratio
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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.