Finding the Fourth Proportional to 917,181.55, 1,376,308.14 and 384,657.99
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Solution
The fourth proportional to 917,181.55, 1,376,308.14 and 384,657.99 is: 577,211.70
Step by Step Solution
- Step 1: Write the proportion equation
917,181.55 : 1,376,308.14 = 384,657.99 : x - Step 2: Convert to fraction form
917,181.55/1,376,308.14 = 384,657.99/x - Step 3: Cross multiply
917,181.55x = 1,376,308.14 × 384,657.99 - Step 4: Simplify right side
917,181.55x = 529,407,922,753.04 - Step 5: Solve for x
x = 529,407,922,753.04/917,181.55 - Step 6: Final answer
x = 577,211.70
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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.