Home / 751,028.22-1,036,071.54-665,074.80

Finding the Fourth Proportional to 751,028.22, 1,036,071.54 and 665,074.80

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Solution

The fourth proportional to 751,028.22, 1,036,071.54 and 665,074.80 is: 917,495.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,028.22 : 1,036,071.54 = 665,074.80 : x
  2. Step 2: Convert to fraction form
    751,028.22/1,036,071.54 = 665,074.80/x
  3. Step 3: Cross multiply
    751,028.22x = 1,036,071.54 × 665,074.80
  4. Step 4: Simplify right side
    751,028.22x = 689,065,072,251.19
  5. Step 5: Solve for x
    x = 689,065,072,251.19/751,028.22
  6. Step 6: Final answer
    x = 917,495.58

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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.