Finding the Fourth Proportional to 768,025.42, 1,059,873.30 and 445,924.06
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Solution
The fourth proportional to 768,025.42, 1,059,873.30 and 445,924.06 is: 615,374.17
Step by Step Solution
- Step 1: Write the proportion equation
768,025.42 : 1,059,873.30 = 445,924.06 : x - Step 2: Convert to fraction form
768,025.42/1,059,873.30 = 445,924.06/x - Step 3: Cross multiply
768,025.42x = 1,059,873.30 × 445,924.06 - Step 4: Simplify right side
768,025.42x = 472,623,005,021.60 - Step 5: Solve for x
x = 472,623,005,021.60/768,025.42 - Step 6: Final answer
x = 615,374.17
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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.