Home / 751,925.89-1,037,627.08-449,940.61

Finding the Fourth Proportional to 751,925.89, 1,037,627.08 and 449,940.61

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Solution

The fourth proportional to 751,925.89, 1,037,627.08 and 449,940.61 is: 620,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,925.89 : 1,037,627.08 = 449,940.61 : x
  2. Step 2: Convert to fraction form
    751,925.89/1,037,627.08 = 449,940.61/x
  3. Step 3: Cross multiply
    751,925.89x = 1,037,627.08 × 449,940.61
  4. Step 4: Simplify right side
    751,925.89x = 466,870,561,327.72
  5. Step 5: Solve for x
    x = 466,870,561,327.72/751,925.89
  6. Step 6: Final answer
    x = 620,899.70

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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.