Finding the Fourth Proportional to 824,258.37, 1,134,832.91 and 642,737.37
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Solution
The fourth proportional to 824,258.37, 1,134,832.91 and 642,737.37 is: 884,916.12
Step by Step Solution
- Step 1: Write the proportion equation
824,258.37 : 1,134,832.91 = 642,737.37 : x - Step 2: Convert to fraction form
824,258.37/1,134,832.91 = 642,737.37/x - Step 3: Cross multiply
824,258.37x = 1,134,832.91 × 642,737.37 - Step 4: Simplify right side
824,258.37x = 729,399,516,749.16 - Step 5: Solve for x
x = 729,399,516,749.16/824,258.37 - Step 6: Final answer
x = 884,916.12
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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.