Finding the Fourth Proportional to 977,286.05, 1,464,308.87 and 691,560.88
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Solution
The fourth proportional to 977,286.05, 1,464,308.87 and 691,560.88 is: 1,036,194.81
Step by Step Solution
- Step 1: Write the proportion equation
977,286.05 : 1,464,308.87 = 691,560.88 : x - Step 2: Convert to fraction form
977,286.05/1,464,308.87 = 691,560.88/x - Step 3: Cross multiply
977,286.05x = 1,464,308.87 × 691,560.88 - Step 4: Simplify right side
977,286.05x = 1,012,658,730,729.01 - Step 5: Solve for x
x = 1,012,658,730,729.01/977,286.05 - Step 6: Final answer
x = 1,036,194.81
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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.