Finding the Fourth Proportional to 528,140.12, 792,368.07 and 374,561.99
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Solution
The fourth proportional to 528,140.12, 792,368.07 and 374,561.99 is: 561,954.96
Step by Step Solution
- Step 1: Write the proportion equation
528,140.12 : 792,368.07 = 374,561.99 : x - Step 2: Convert to fraction form
528,140.12/792,368.07 = 374,561.99/x - Step 3: Cross multiply
528,140.12x = 792,368.07 × 374,561.99 - Step 4: Simplify right side
528,140.12x = 296,790,961,111.66 - Step 5: Solve for x
x = 296,790,961,111.66/528,140.12 - Step 6: Final answer
x = 561,954.96
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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.