Finding the Fourth Proportional to 982,421.12, 1,473,631.68 and 351,296.66
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Solution
The fourth proportional to 982,421.12, 1,473,631.68 and 351,296.66 is: 526,944.99
Step by Step Solution
- Step 1: Write the proportion equation
982,421.12 : 1,473,631.68 = 351,296.66 : x - Step 2: Convert to fraction form
982,421.12/1,473,631.68 = 351,296.66/x - Step 3: Cross multiply
982,421.12x = 1,473,631.68 × 351,296.66 - Step 4: Simplify right side
982,421.12x = 517,681,887,254.19 - Step 5: Solve for x
x = 517,681,887,254.19/982,421.12 - Step 6: Final answer
x = 526,944.99
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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.