Finding the Fourth Proportional to 698,214.94, 963,537.53 and 396,408.94
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Solution
The fourth proportional to 698,214.94, 963,537.53 and 396,408.94 is: 547,044.85
Step by Step Solution
- Step 1: Write the proportion equation
698,214.94 : 963,537.53 = 396,408.94 : x - Step 2: Convert to fraction form
698,214.94/963,537.53 = 396,408.94/x - Step 3: Cross multiply
698,214.94x = 963,537.53 × 396,408.94 - Step 4: Simplify right side
698,214.94x = 381,954,886,526.63 - Step 5: Solve for x
x = 381,954,886,526.63/698,214.94 - Step 6: Final answer
x = 547,044.85
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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.