Finding the Fourth Proportional to 603,216.80, 831,977.84 and 409,773.68
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Solution
The fourth proportional to 603,216.80, 831,977.84 and 409,773.68 is: 565,174.28
Step by Step Solution
- Step 1: Write the proportion equation
603,216.80 : 831,977.84 = 409,773.68 : x - Step 2: Convert to fraction form
603,216.80/831,977.84 = 409,773.68/x - Step 3: Cross multiply
603,216.80x = 831,977.84 × 409,773.68 - Step 4: Simplify right side
603,216.80x = 340,922,621,175.25 - Step 5: Solve for x
x = 340,922,621,175.25/603,216.80 - Step 6: Final answer
x = 565,174.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.