Finding the Fourth Proportional to 872,646.56, 1,203,405.98 and 582,269.91
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Solution
The fourth proportional to 872,646.56, 1,203,405.98 and 582,269.91 is: 802,967.81
Step by Step Solution
- Step 1: Write the proportion equation
872,646.56 : 1,203,405.98 = 582,269.91 : x - Step 2: Convert to fraction form
872,646.56/1,203,405.98 = 582,269.91/x - Step 3: Cross multiply
872,646.56x = 1,203,405.98 × 582,269.91 - Step 4: Simplify right side
872,646.56x = 700,707,093,123.74 - Step 5: Solve for x
x = 700,707,093,123.74/872,646.56 - Step 6: Final answer
x = 802,967.81
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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.