Finding the Fourth Proportional to 777,292.52, 1,072,740.18 and 454,983.08
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Solution
The fourth proportional to 777,292.52, 1,072,740.18 and 454,983.08 is: 627,921.43
Step by Step Solution
- Step 1: Write the proportion equation
777,292.52 : 1,072,740.18 = 454,983.08 : x - Step 2: Convert to fraction form
777,292.52/1,072,740.18 = 454,983.08/x - Step 3: Cross multiply
777,292.52x = 1,072,740.18 × 454,983.08 - Step 4: Simplify right side
777,292.52x = 488,078,631,136.15 - Step 5: Solve for x
x = 488,078,631,136.15/777,292.52 - Step 6: Final answer
x = 627,921.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.