Finding the Fourth Proportional to 520,907.63, 780,828.62 and 352,445.75
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Solution
The fourth proportional to 520,907.63, 780,828.62 and 352,445.75 is: 528,308.11
Step by Step Solution
- Step 1: Write the proportion equation
520,907.63 : 780,828.62 = 352,445.75 : x - Step 2: Convert to fraction form
520,907.63/780,828.62 = 352,445.75/x - Step 3: Cross multiply
520,907.63x = 780,828.62 × 352,445.75 - Step 4: Simplify right side
520,907.63x = 275,199,724,693.22 - Step 5: Solve for x
x = 275,199,724,693.22/520,907.63 - Step 6: Final answer
x = 528,308.11
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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.