Finding the Fourth Proportional to 790,557.62, 1,090,972.98 and 427,981.48
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Solution
The fourth proportional to 790,557.62, 1,090,972.98 and 427,981.48 is: 590,616.32
Step by Step Solution
- Step 1: Write the proportion equation
790,557.62 : 1,090,972.98 = 427,981.48 : x - Step 2: Convert to fraction form
790,557.62/1,090,972.98 = 427,981.48/x - Step 3: Cross multiply
790,557.62x = 1,090,972.98 × 427,981.48 - Step 4: Simplify right side
790,557.62x = 466,916,227,892.98 - Step 5: Solve for x
x = 466,916,227,892.98/790,557.62 - Step 6: Final answer
x = 590,616.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.