Finding the Fourth Proportional to 815,492.92, 1,125,394.14 and 447,985.54
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Solution
The fourth proportional to 815,492.92, 1,125,394.14 and 447,985.54 is: 618,227.69
Step by Step Solution
- Step 1: Write the proportion equation
815,492.92 : 1,125,394.14 = 447,985.54 : x - Step 2: Convert to fraction form
815,492.92/1,125,394.14 = 447,985.54/x - Step 3: Cross multiply
815,492.92x = 1,125,394.14 × 447,985.54 - Step 4: Simplify right side
815,492.92x = 504,160,301,520.74 - Step 5: Solve for x
x = 504,160,301,520.74/815,492.92 - Step 6: Final answer
x = 618,227.69
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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.