Finding the Fourth Proportional to 612,385.07, 916,612.27 and 327,363.08
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Solution
The fourth proportional to 612,385.07, 916,612.27 and 327,363.08 is: 489,994.00
Step by Step Solution
- Step 1: Write the proportion equation
612,385.07 : 916,612.27 = 327,363.08 : x - Step 2: Convert to fraction form
612,385.07/916,612.27 = 327,363.08/x - Step 3: Cross multiply
612,385.07x = 916,612.27 × 327,363.08 - Step 4: Simplify right side
612,385.07x = 300,065,010,471.52 - Step 5: Solve for x
x = 300,065,010,471.52/612,385.07 - Step 6: Final answer
x = 489,994.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.