Finding the Fourth Proportional to 751,819.22, 1,128,289.44 and 302,544.08
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Solution
The fourth proportional to 751,819.22, 1,128,289.44 and 302,544.08 is: 454,041.72
Step by Step Solution
- Step 1: Write the proportion equation
751,819.22 : 1,128,289.44 = 302,544.08 : x - Step 2: Convert to fraction form
751,819.22/1,128,289.44 = 302,544.08/x - Step 3: Cross multiply
751,819.22x = 1,128,289.44 × 302,544.08 - Step 4: Simplify right side
751,819.22x = 341,357,290,598.52 - Step 5: Solve for x
x = 341,357,290,598.52/751,819.22 - Step 6: Final answer
x = 454,041.72
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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.