Finding the Fourth Proportional to 859,513.68, 1,289,270.52 and 326,911.68
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Solution
The fourth proportional to 859,513.68, 1,289,270.52 and 326,911.68 is: 490,367.52
Step by Step Solution
- Step 1: Write the proportion equation
859,513.68 : 1,289,270.52 = 326,911.68 : x - Step 2: Convert to fraction form
859,513.68/1,289,270.52 = 326,911.68/x - Step 3: Cross multiply
859,513.68x = 1,289,270.52 × 326,911.68 - Step 4: Simplify right side
859,513.68x = 421,477,591,667.67 - Step 5: Solve for x
x = 421,477,591,667.67/859,513.68 - Step 6: Final answer
x = 490,367.52
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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.