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Finding the Fourth Proportional to 603,700.88, 904,328.32 and 279,027.76

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Solution

The fourth proportional to 603,700.88, 904,328.32 and 279,027.76 is: 417,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,700.88 : 904,328.32 = 279,027.76 : x
  2. Step 2: Convert to fraction form
    603,700.88/904,328.32 = 279,027.76/x
  3. Step 3: Cross multiply
    603,700.88x = 904,328.32 × 279,027.76
  4. Step 4: Simplify right side
    603,700.88x = 252,332,705,434.16
  5. Step 5: Solve for x
    x = 252,332,705,434.16/603,700.88
  6. Step 6: Final answer
    x = 417,976.38

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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.