Finding the Fourth Proportional to 739,110.84, 1,019,972.70 and 399,579
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Solution
The fourth proportional to 739,110.84, 1,019,972.70 and 399,579 is: 551,418.88
Step by Step Solution
- Step 1: Write the proportion equation
739,110.84 : 1,019,972.70 = 399,579 : x - Step 2: Convert to fraction form
739,110.84/1,019,972.70 = 399,579/x - Step 3: Cross multiply
739,110.84x = 1,019,972.70 × 399,579 - Step 4: Simplify right side
739,110.84x = 407,559,671,493.30 - Step 5: Solve for x
x = 407,559,671,493.30/739,110.84 - Step 6: Final answer
x = 551,418.88
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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.