Finding the Fourth Proportional to 725,201.96, 1,000,809.84 and 402,912.06
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Solution
The fourth proportional to 725,201.96, 1,000,809.84 and 402,912.06 is: 556,035.94
Step by Step Solution
- Step 1: Write the proportion equation
725,201.96 : 1,000,809.84 = 402,912.06 : x - Step 2: Convert to fraction form
725,201.96/1,000,809.84 = 402,912.06/x - Step 3: Cross multiply
725,201.96x = 1,000,809.84 × 402,912.06 - Step 4: Simplify right side
725,201.96x = 403,238,354,302.67 - Step 5: Solve for x
x = 403,238,354,302.67/725,201.96 - Step 6: Final answer
x = 556,035.94
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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.