Finding the Fourth Proportional to 778,201.20, 1,166,653.80 and 329,266.80
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Solution
The fourth proportional to 778,201.20, 1,166,653.80 and 329,266.80 is: 493,626.02
Step by Step Solution
- Step 1: Write the proportion equation
778,201.20 : 1,166,653.80 = 329,266.80 : x - Step 2: Convert to fraction form
778,201.20/1,166,653.80 = 329,266.80/x - Step 3: Cross multiply
778,201.20x = 1,166,653.80 × 329,266.80 - Step 4: Simplify right side
778,201.20x = 384,140,363,433.84 - Step 5: Solve for x
x = 384,140,363,433.84/778,201.20 - Step 6: Final answer
x = 493,626.02
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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.