Finding the Fourth Proportional to 684,649.24, 1,027,217.18 and 305,535.48
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Solution
The fourth proportional to 684,649.24, 1,027,217.18 and 305,535.48 is: 458,411.81
Step by Step Solution
- Step 1: Write the proportion equation
684,649.24 : 1,027,217.18 = 305,535.48 : x - Step 2: Convert to fraction form
684,649.24/1,027,217.18 = 305,535.48/x - Step 3: Cross multiply
684,649.24x = 1,027,217.18 × 305,535.48 - Step 4: Simplify right side
684,649.24x = 313,851,294,155.55 - Step 5: Solve for x
x = 313,851,294,155.55/684,649.24 - Step 6: Final answer
x = 458,411.81
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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.