Finding the Fourth Proportional to 874,894.68, 1,312,342.56 and 243,825.12
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Solution
The fourth proportional to 874,894.68, 1,312,342.56 and 243,825.12 is: 365,737.83
Step by Step Solution
- Step 1: Write the proportion equation
874,894.68 : 1,312,342.56 = 243,825.12 : x - Step 2: Convert to fraction form
874,894.68/1,312,342.56 = 243,825.12/x - Step 3: Cross multiply
874,894.68x = 1,312,342.56 × 243,825.12 - Step 4: Simplify right side
874,894.68x = 319,982,082,173.11 - Step 5: Solve for x
x = 319,982,082,173.11/874,894.68 - Step 6: Final answer
x = 365,737.83
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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.