Finding the Fourth Proportional to 828,177.16, 1,142,877.62 and 465,602.68
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Solution
The fourth proportional to 828,177.16, 1,142,877.62 and 465,602.68 is: 642,527.84
Step by Step Solution
- Step 1: Write the proportion equation
828,177.16 : 1,142,877.62 = 465,602.68 : x - Step 2: Convert to fraction form
828,177.16/1,142,877.62 = 465,602.68/x - Step 3: Cross multiply
828,177.16x = 1,142,877.62 × 465,602.68 - Step 4: Simplify right side
828,177.16x = 532,126,882,784.02 - Step 5: Solve for x
x = 532,126,882,784.02/828,177.16 - Step 6: Final answer
x = 642,527.84
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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.