Finding the Fourth Proportional to 734,129.60, 1,101,842.40 and 434,235.20
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Solution
The fourth proportional to 734,129.60, 1,101,842.40 and 434,235.20 is: 651,736.09
Step by Step Solution
- Step 1: Write the proportion equation
734,129.60 : 1,101,842.40 = 434,235.20 : x - Step 2: Convert to fraction form
734,129.60/1,101,842.40 = 434,235.20/x - Step 3: Cross multiply
734,129.60x = 1,101,842.40 × 434,235.20 - Step 4: Simplify right side
734,129.60x = 478,458,754,932.48 - Step 5: Solve for x
x = 478,458,754,932.48/734,129.60 - Step 6: Final answer
x = 651,736.09
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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.