Finding the Fourth Proportional to 982,419.12, 1,473,628.68 and 351,294.66
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Solution
The fourth proportional to 982,419.12, 1,473,628.68 and 351,294.66 is: 526,941.99
Step by Step Solution
- Step 1: Write the proportion equation
982,419.12 : 1,473,628.68 = 351,294.66 : x - Step 2: Convert to fraction form
982,419.12/1,473,628.68 = 351,294.66/x - Step 3: Cross multiply
982,419.12x = 1,473,628.68 × 351,294.66 - Step 4: Simplify right side
982,419.12x = 517,677,886,106.85 - Step 5: Solve for x
x = 517,677,886,106.85/982,419.12 - Step 6: Final answer
x = 526,941.99
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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.