Finding the Fourth Proportional to 754,387.98, 1,041,023.70 and 427,722.96
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Solution
The fourth proportional to 754,387.98, 1,041,023.70 and 427,722.96 is: 590,239.70
Step by Step Solution
- Step 1: Write the proportion equation
754,387.98 : 1,041,023.70 = 427,722.96 : x - Step 2: Convert to fraction form
754,387.98/1,041,023.70 = 427,722.96/x - Step 3: Cross multiply
754,387.98x = 1,041,023.70 × 427,722.96 - Step 4: Simplify right side
754,387.98x = 445,269,738,394.15 - Step 5: Solve for x
x = 445,269,738,394.15/754,387.98 - Step 6: Final answer
x = 590,239.70
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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.