Finding the Fourth Proportional to 886,984.28, 1,331,001.30 and 326,412.44
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Solution
The fourth proportional to 886,984.28, 1,331,001.30 and 326,412.44 is: 489,811.82
Step by Step Solution
- Step 1: Write the proportion equation
886,984.28 : 1,331,001.30 = 326,412.44 : x - Step 2: Convert to fraction form
886,984.28/1,331,001.30 = 326,412.44/x - Step 3: Cross multiply
886,984.28x = 1,331,001.30 × 326,412.44 - Step 4: Simplify right side
886,984.28x = 434,455,381,976.17 - Step 5: Solve for x
x = 434,455,381,976.17/886,984.28 - Step 6: Final answer
x = 489,811.82
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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.