Finding the Fourth Proportional to 831,181.44, 1,249,023.12 and 452,382.24
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Solution
The fourth proportional to 831,181.44, 1,249,023.12 and 452,382.24 is: 679,798.48
Step by Step Solution
- Step 1: Write the proportion equation
831,181.44 : 1,249,023.12 = 452,382.24 : x - Step 2: Convert to fraction form
831,181.44/1,249,023.12 = 452,382.24/x - Step 3: Cross multiply
831,181.44x = 1,249,023.12 × 452,382.24 - Step 4: Simplify right side
831,181.44x = 565,035,876,837.39 - Step 5: Solve for x
x = 565,035,876,837.39/831,181.44 - Step 6: Final answer
x = 679,798.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.