Finding the Fourth Proportional to 982,486.99, 1,355,818.16 and 552,766.10
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Solution
The fourth proportional to 982,486.99, 1,355,818.16 and 552,766.10 is: 762,809.40
Step by Step Solution
- Step 1: Write the proportion equation
982,486.99 : 1,355,818.16 = 552,766.10 : x - Step 2: Convert to fraction form
982,486.99/1,355,818.16 = 552,766.10/x - Step 3: Cross multiply
982,486.99x = 1,355,818.16 × 552,766.10 - Step 4: Simplify right side
982,486.99x = 749,450,309,833.29 - Step 5: Solve for x
x = 749,450,309,833.29/982,486.99 - Step 6: Final answer
x = 762,809.40
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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.