Home / 751,012.20-1,125,066.60-417,577.32

Finding the Fourth Proportional to 751,012.20, 1,125,066.60 and 417,577.32

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Solution

The fourth proportional to 751,012.20, 1,125,066.60 and 417,577.32 is: 625,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,012.20 : 1,125,066.60 = 417,577.32 : x
  2. Step 2: Convert to fraction form
    751,012.20/1,125,066.60 = 417,577.32/x
  3. Step 3: Cross multiply
    751,012.20x = 1,125,066.60 × 417,577.32
  4. Step 4: Simplify right side
    751,012.20x = 469,802,295,649.51
  5. Step 5: Solve for x
    x = 469,802,295,649.51/751,012.20
  6. Step 6: Final answer
    x = 625,558.81

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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.