Finding the Fourth Proportional to 813,967.74, 1,123,202.03 and 451,390.68
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Solution
The fourth proportional to 813,967.74, 1,123,202.03 and 451,390.68 is: 622,878.40
Step by Step Solution
- Step 1: Write the proportion equation
813,967.74 : 1,123,202.03 = 451,390.68 : x - Step 2: Convert to fraction form
813,967.74/1,123,202.03 = 451,390.68/x - Step 3: Cross multiply
813,967.74x = 1,123,202.03 × 451,390.68 - Step 4: Simplify right side
813,967.74x = 507,002,925,842.13 - Step 5: Solve for x
x = 507,002,925,842.13/813,967.74 - Step 6: Final answer
x = 622,878.40
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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.