Finding the Fourth Proportional to 821,762.68, 1,134,181.26 and 531,731.32
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Solution
The fourth proportional to 821,762.68, 1,134,181.26 and 531,731.32 is: 733,885.48
Step by Step Solution
- Step 1: Write the proportion equation
821,762.68 : 1,134,181.26 = 531,731.32 : x - Step 2: Convert to fraction form
821,762.68/1,134,181.26 = 531,731.32/x - Step 3: Cross multiply
821,762.68x = 1,134,181.26 × 531,731.32 - Step 4: Simplify right side
821,762.68x = 603,079,698,499.06 - Step 5: Solve for x
x = 603,079,698,499.06/821,762.68 - Step 6: Final answer
x = 733,885.48
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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.