Finding the Fourth Proportional to 766,120.63, 1,148,756.29 and 355,341.88
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Solution
The fourth proportional to 766,120.63, 1,148,756.29 and 355,341.88 is: 532,815.86
Step by Step Solution
- Step 1: Write the proportion equation
766,120.63 : 1,148,756.29 = 355,341.88 : x - Step 2: Convert to fraction form
766,120.63/1,148,756.29 = 355,341.88/x - Step 3: Cross multiply
766,120.63x = 1,148,756.29 × 355,341.88 - Step 4: Simplify right side
766,120.63x = 408,201,219,750.43 - Step 5: Solve for x
x = 408,201,219,750.43/766,120.63 - Step 6: Final answer
x = 532,815.86
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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.