Finding the Fourth Proportional to 562,253.40, 775,918.44 and 307,608.84
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Solution
The fourth proportional to 562,253.40, 775,918.44 and 307,608.84 is: 424,504.99
Step by Step Solution
- Step 1: Write the proportion equation
562,253.40 : 775,918.44 = 307,608.84 : x - Step 2: Convert to fraction form
562,253.40/775,918.44 = 307,608.84/x - Step 3: Cross multiply
562,253.40x = 775,918.44 × 307,608.84 - Step 4: Simplify right side
562,253.40x = 238,679,371,263.01 - Step 5: Solve for x
x = 238,679,371,263.01/562,253.40 - Step 6: Final answer
x = 424,504.99
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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.