Finding the Fourth Proportional to 824,258.62, 1,134,833.25 and 642,737.62
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Solution
The fourth proportional to 824,258.62, 1,134,833.25 and 642,737.62 is: 884,916.46
Step by Step Solution
- Step 1: Write the proportion equation
824,258.62 : 1,134,833.25 = 642,737.62 : x - Step 2: Convert to fraction form
824,258.62/1,134,833.25 = 642,737.62/x - Step 3: Cross multiply
824,258.62x = 1,134,833.25 × 642,737.62 - Step 4: Simplify right side
824,258.62x = 729,400,022,201.87 - Step 5: Solve for x
x = 729,400,022,201.87/824,258.62 - Step 6: Final answer
x = 884,916.46
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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.