Finding the Fourth Proportional to 652,818.40, 979,224.18 and 355,190.94
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Solution
The fourth proportional to 652,818.40, 979,224.18 and 355,190.94 is: 532,784.55
Step by Step Solution
- Step 1: Write the proportion equation
652,818.40 : 979,224.18 = 355,190.94 : x - Step 2: Convert to fraction form
652,818.40/979,224.18 = 355,190.94/x - Step 3: Cross multiply
652,818.40x = 979,224.18 × 355,190.94 - Step 4: Simplify right side
652,818.40x = 347,811,556,964.93 - Step 5: Solve for x
x = 347,811,556,964.93/652,818.40 - Step 6: Final answer
x = 532,784.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.