Finding the Fourth Proportional to 788,144.08, 1,087,645.68 and 448,634.08
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Solution
The fourth proportional to 788,144.08, 1,087,645.68 and 448,634.08 is: 619,118.93
Step by Step Solution
- Step 1: Write the proportion equation
788,144.08 : 1,087,645.68 = 448,634.08 : x - Step 2: Convert to fraction form
788,144.08/1,087,645.68 = 448,634.08/x - Step 3: Cross multiply
788,144.08x = 1,087,645.68 × 448,634.08 - Step 4: Simplify right side
788,144.08x = 487,954,919,012.77 - Step 5: Solve for x
x = 487,954,919,012.77/788,144.08 - Step 6: Final answer
x = 619,118.93
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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.