Finding the Fourth Proportional to 852,139.19, 1,176,378.21 and 529,953.08
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Solution
The fourth proportional to 852,139.19, 1,176,378.21 and 529,953.08 is: 731,600.26
Step by Step Solution
- Step 1: Write the proportion equation
852,139.19 : 1,176,378.21 = 529,953.08 : x - Step 2: Convert to fraction form
852,139.19/1,176,378.21 = 529,953.08/x - Step 3: Cross multiply
852,139.19x = 1,176,378.21 × 529,953.08 - Step 4: Simplify right side
852,139.19x = 623,425,255,634.39 - Step 5: Solve for x
x = 623,425,255,634.39/852,139.19 - Step 6: Final answer
x = 731,600.26
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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.