Finding the Fourth Proportional to 528,435.86, 792,644.51 and 366,180.28
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Solution
The fourth proportional to 528,435.86, 792,644.51 and 366,180.28 is: 549,263.99
Step by Step Solution
- Step 1: Write the proportion equation
528,435.86 : 792,644.51 = 366,180.28 : x - Step 2: Convert to fraction form
528,435.86/792,644.51 = 366,180.28/x - Step 3: Cross multiply
528,435.86x = 792,644.51 × 366,180.28 - Step 4: Simplify right side
528,435.86x = 290,250,786,516.22 - Step 5: Solve for x
x = 290,250,786,516.22/528,435.86 - Step 6: Final answer
x = 549,263.99
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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.