Home / 744,669.16-1,027,645.86-405,137.32

Finding the Fourth Proportional to 744,669.16, 1,027,645.86 and 405,137.32

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Solution

The fourth proportional to 744,669.16, 1,027,645.86 and 405,137.32 is: 559,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,669.16 : 1,027,645.86 = 405,137.32 : x
  2. Step 2: Convert to fraction form
    744,669.16/1,027,645.86 = 405,137.32/x
  3. Step 3: Cross multiply
    744,669.16x = 1,027,645.86 × 405,137.32
  4. Step 4: Simplify right side
    744,669.16x = 416,337,689,629.50
  5. Step 5: Solve for x
    x = 416,337,689,629.50/744,669.16
  6. Step 6: Final answer
    x = 559,090.82

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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.