Finding the Fourth Proportional to 977,207.70, 1,465,811.55 and 819,743.70
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Solution
The fourth proportional to 977,207.70, 1,465,811.55 and 819,743.70 is: 1,229,615.55
Step by Step Solution
- Step 1: Write the proportion equation
977,207.70 : 1,465,811.55 = 819,743.70 : x - Step 2: Convert to fraction form
977,207.70/1,465,811.55 = 819,743.70/x - Step 3: Cross multiply
977,207.70x = 1,465,811.55 × 819,743.70 - Step 4: Simplify right side
977,207.70x = 1,201,589,783,499.73 - Step 5: Solve for x
x = 1,201,589,783,499.73/977,207.70 - Step 6: Final answer
x = 1,229,615.55
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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.