Finding the Fourth Proportional to 782,245.84, 1,173,180.84 and 361,117.12
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Solution
The fourth proportional to 782,245.84, 1,173,180.84 and 361,117.12 is: 541,588.93
Step by Step Solution
- Step 1: Write the proportion equation
782,245.84 : 1,173,180.84 = 361,117.12 : x - Step 2: Convert to fraction form
782,245.84/1,173,180.84 = 361,117.12/x - Step 3: Cross multiply
782,245.84x = 1,173,180.84 × 361,117.12 - Step 4: Simplify right side
782,245.84x = 423,655,686,179.98 - Step 5: Solve for x
x = 423,655,686,179.98/782,245.84 - Step 6: Final answer
x = 541,588.93
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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.