Finding the Fourth Proportional to 828,536.95, 1,143,370.14 and 465,960.70
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Solution
The fourth proportional to 828,536.95, 1,143,370.14 and 465,960.70 is: 643,019.66
Step by Step Solution
- Step 1: Write the proportion equation
828,536.95 : 1,143,370.14 = 465,960.70 : x - Step 2: Convert to fraction form
828,536.95/1,143,370.14 = 465,960.70/x - Step 3: Cross multiply
828,536.95x = 1,143,370.14 × 465,960.70 - Step 4: Simplify right side
828,536.95x = 532,765,550,793.50 - Step 5: Solve for x
x = 532,765,550,793.50/828,536.95 - Step 6: Final answer
x = 643,019.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.