Finding the Fourth Proportional to 834,292.14, 1,151,316.21 and 471,787.18
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Solution
The fourth proportional to 834,292.14, 1,151,316.21 and 471,787.18 is: 651,062.38
Step by Step Solution
- Step 1: Write the proportion equation
834,292.14 : 1,151,316.21 = 471,787.18 : x - Step 2: Convert to fraction form
834,292.14/1,151,316.21 = 471,787.18/x - Step 3: Cross multiply
834,292.14x = 1,151,316.21 × 471,787.18 - Step 4: Simplify right side
834,292.14x = 543,176,228,004.19 - Step 5: Solve for x
x = 543,176,228,004.19/834,292.14 - Step 6: Final answer
x = 651,062.38
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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.