Finding the Fourth Proportional to 1,007,842.93, 1,390,825.18 and 548,956.09
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Solution
The fourth proportional to 1,007,842.93, 1,390,825.18 and 548,956.09 is: 757,560.46
Step by Step Solution
- Step 1: Write the proportion equation
1,007,842.93 : 1,390,825.18 = 548,956.09 : x - Step 2: Convert to fraction form
1,007,842.93/1,390,825.18 = 548,956.09/x - Step 3: Cross multiply
1,007,842.93x = 1,390,825.18 × 548,956.09 - Step 4: Simplify right side
1,007,842.93x = 763,501,949,941.57 - Step 5: Solve for x
x = 763,501,949,941.57/1,007,842.93 - Step 6: Final answer
x = 757,560.46
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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.