Finding the Fourth Proportional to 828,748.24, 1,143,348.68 and 466,088.92
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Solution
The fourth proportional to 828,748.24, 1,143,348.68 and 466,088.92 is: 643,020.55
Step by Step Solution
- Step 1: Write the proportion equation
828,748.24 : 1,143,348.68 = 466,088.92 : x - Step 2: Convert to fraction form
828,748.24/1,143,348.68 = 466,088.92/x - Step 3: Cross multiply
828,748.24x = 1,143,348.68 × 466,088.92 - Step 4: Simplify right side
828,748.24x = 532,902,151,444.63 - Step 5: Solve for x
x = 532,902,151,444.63/828,748.24 - Step 6: Final answer
x = 643,020.55
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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.