Finding the Fourth Proportional to 908,966.25, 1,363,447.08 and 269,319.78
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Solution
The fourth proportional to 908,966.25, 1,363,447.08 and 269,319.78 is: 403,978.99
Step by Step Solution
- Step 1: Write the proportion equation
908,966.25 : 1,363,447.08 = 269,319.78 : x - Step 2: Convert to fraction form
908,966.25/1,363,447.08 = 269,319.78/x - Step 3: Cross multiply
908,966.25x = 1,363,447.08 × 269,319.78 - Step 4: Simplify right side
908,966.25x = 367,203,267,627.24 - Step 5: Solve for x
x = 367,203,267,627.24/908,966.25 - Step 6: Final answer
x = 403,978.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.