Home / 629,761.10-869,037.44-357,791.22

Finding the Fourth Proportional to 629,761.10, 869,037.44 and 357,791.22

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Solution

The fourth proportional to 629,761.10, 869,037.44 and 357,791.22 is: 493,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,761.10 : 869,037.44 = 357,791.22 : x
  2. Step 2: Convert to fraction form
    629,761.10/869,037.44 = 357,791.22/x
  3. Step 3: Cross multiply
    629,761.10x = 869,037.44 × 357,791.22
  4. Step 4: Simplify right side
    629,761.10x = 310,933,964,094.32
  5. Step 5: Solve for x
    x = 310,933,964,094.32/629,761.10
  6. Step 6: Final answer
    x = 493,733.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.