Finding the Fourth Proportional to 821,773.36, 1,230,444.96 and 536,758.12
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Solution
The fourth proportional to 821,773.36, 1,230,444.96 and 536,758.12 is: 803,690.36
Step by Step Solution
- Step 1: Write the proportion equation
821,773.36 : 1,230,444.96 = 536,758.12 : x - Step 2: Convert to fraction form
821,773.36/1,230,444.96 = 536,758.12/x - Step 3: Cross multiply
821,773.36x = 1,230,444.96 × 536,758.12 - Step 4: Simplify right side
821,773.36x = 660,451,323,493.08 - Step 5: Solve for x
x = 660,451,323,493.08/821,773.36 - Step 6: Final answer
x = 803,690.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.