Finding the Fourth Proportional to 704,697.92, 972,485.76 and 382,408.08
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Solution
The fourth proportional to 704,697.92, 972,485.76 and 382,408.08 is: 527,724.58
Step by Step Solution
- Step 1: Write the proportion equation
704,697.92 : 972,485.76 = 382,408.08 : x - Step 2: Convert to fraction form
704,697.92/972,485.76 = 382,408.08/x - Step 3: Cross multiply
704,697.92x = 972,485.76 × 382,408.08 - Step 4: Simplify right side
704,697.92x = 371,886,412,308.94 - Step 5: Solve for x
x = 371,886,412,308.94/704,697.92 - Step 6: Final answer
x = 527,724.58
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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.