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Finding the Fourth Proportional to 603,649.07, 904,799.29 and 261,697.73

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Solution

The fourth proportional to 603,649.07, 904,799.29 and 261,697.73 is: 392,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,649.07 : 904,799.29 = 261,697.73 : x
  2. Step 2: Convert to fraction form
    603,649.07/904,799.29 = 261,697.73/x
  3. Step 3: Cross multiply
    603,649.07x = 904,799.29 × 261,697.73
  4. Step 4: Simplify right side
    603,649.07x = 236,783,917,419.78
  5. Step 5: Solve for x
    x = 236,783,917,419.78/603,649.07
  6. Step 6: Final answer
    x = 392,254.25

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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.