Finding the Fourth Proportional to 424,690.80, 637,986.60 and 354,706.80
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Solution
The fourth proportional to 424,690.80, 637,986.60 and 354,706.80 is: 532,853.99
Step by Step Solution
- Step 1: Write the proportion equation
424,690.80 : 637,986.60 = 354,706.80 : x - Step 2: Convert to fraction form
424,690.80/637,986.60 = 354,706.80/x - Step 3: Cross multiply
424,690.80x = 637,986.60 × 354,706.80 - Step 4: Simplify right side
424,690.80x = 226,298,185,328.88 - Step 5: Solve for x
x = 226,298,185,328.88/424,690.80 - Step 6: Final answer
x = 532,853.99
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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.