Finding the Fourth Proportional to 589,618.68, 813,674.52 and 321,346.68
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Solution
The fourth proportional to 589,618.68, 813,674.52 and 321,346.68 is: 443,458.82
Step by Step Solution
- Step 1: Write the proportion equation
589,618.68 : 813,674.52 = 321,346.68 : x - Step 2: Convert to fraction form
589,618.68/813,674.52 = 321,346.68/x - Step 3: Cross multiply
589,618.68x = 813,674.52 × 321,346.68 - Step 4: Simplify right side
589,618.68x = 261,471,605,602.59 - Step 5: Solve for x
x = 261,471,605,602.59/589,618.68 - Step 6: Final answer
x = 443,458.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.