Finding the Fourth Proportional to 898,302.08, 1,239,653.97 and 490,408.97
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Solution
The fourth proportional to 898,302.08, 1,239,653.97 and 490,408.97 is: 676,762.79
Step by Step Solution
- Step 1: Write the proportion equation
898,302.08 : 1,239,653.97 = 490,408.97 : x - Step 2: Convert to fraction form
898,302.08/1,239,653.97 = 490,408.97/x - Step 3: Cross multiply
898,302.08x = 1,239,653.97 × 490,408.97 - Step 4: Simplify right side
898,302.08x = 607,937,420,385.84 - Step 5: Solve for x
x = 607,937,420,385.84/898,302.08 - Step 6: Final answer
x = 676,762.79
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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.