Finding the Fourth Proportional to 616,914.82, 851,335.48 and 344,978.99
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Solution
The fourth proportional to 616,914.82, 851,335.48 and 344,978.99 is: 476,067.11
Step by Step Solution
- Step 1: Write the proportion equation
616,914.82 : 851,335.48 = 344,978.99 : x - Step 2: Convert to fraction form
616,914.82/851,335.48 = 344,978.99/x - Step 3: Cross multiply
616,914.82x = 851,335.48 × 344,978.99 - Step 4: Simplify right side
616,914.82x = 293,692,854,041.57 - Step 5: Solve for x
x = 293,692,854,041.57/616,914.82 - Step 6: Final answer
x = 476,067.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.