Finding the Fourth Proportional to 936,556.20, 1,402,760.70 and 770,668.20
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Solution
The fourth proportional to 936,556.20, 1,402,760.70 and 770,668.20 is: 1,154,295.99
Step by Step Solution
- Step 1: Write the proportion equation
936,556.20 : 1,402,760.70 = 770,668.20 : x - Step 2: Convert to fraction form
936,556.20/1,402,760.70 = 770,668.20/x - Step 3: Cross multiply
936,556.20x = 1,402,760.70 × 770,668.20 - Step 4: Simplify right side
936,556.20x = 1,081,063,063,699.74 - Step 5: Solve for x
x = 1,081,063,063,699.74/936,556.20 - Step 6: Final answer
x = 1,154,295.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.