Finding the Fourth Proportional to 754,403.68, 1,131,640.88 and 249,008.72
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Solution
The fourth proportional to 754,403.68, 1,131,640.88 and 249,008.72 is: 373,524.75
Step by Step Solution
- Step 1: Write the proportion equation
754,403.68 : 1,131,640.88 = 249,008.72 : x - Step 2: Convert to fraction form
754,403.68/1,131,640.88 = 249,008.72/x - Step 3: Cross multiply
754,403.68x = 1,131,640.88 × 249,008.72 - Step 4: Simplify right side
754,403.68x = 281,788,447,028.47 - Step 5: Solve for x
x = 281,788,447,028.47/754,403.68 - Step 6: Final answer
x = 373,524.75
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1.5x scale
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.