Finding the Fourth Proportional to 933,649.30, 1,397,363.55 and 821,674.90
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Solution
The fourth proportional to 933,649.30, 1,397,363.55 and 821,674.90 is: 1,229,774.99
Step by Step Solution
- Step 1: Write the proportion equation
933,649.30 : 1,397,363.55 = 821,674.90 : x - Step 2: Convert to fraction form
933,649.30/1,397,363.55 = 821,674.90/x - Step 3: Cross multiply
933,649.30x = 1,397,363.55 × 821,674.90 - Step 4: Simplify right side
933,649.30x = 1,148,178,555,209.90 - Step 5: Solve for x
x = 1,148,178,555,209.90/933,649.30 - Step 6: Final answer
x = 1,229,774.99
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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.