Finding the Fourth Proportional to 528,139.12, 792,366.57 and 374,560.99
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Solution
The fourth proportional to 528,139.12, 792,366.57 and 374,560.99 is: 561,953.46
Step by Step Solution
- Step 1: Write the proportion equation
528,139.12 : 792,366.57 = 374,560.99 : x - Step 2: Convert to fraction form
528,139.12/792,366.57 = 374,560.99/x - Step 3: Cross multiply
528,139.12x = 792,366.57 × 374,560.99 - Step 4: Simplify right side
528,139.12x = 296,789,606,902.10 - Step 5: Solve for x
x = 296,789,606,902.10/528,139.12 - Step 6: Final answer
x = 561,953.46
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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.