Finding the Fourth Proportional to 876,492.64, 1,209,558.96 and 474,083.68
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Solution
The fourth proportional to 876,492.64, 1,209,558.96 and 474,083.68 is: 654,235.00
Step by Step Solution
- Step 1: Write the proportion equation
876,492.64 : 1,209,558.96 = 474,083.68 : x - Step 2: Convert to fraction form
876,492.64/1,209,558.96 = 474,083.68/x - Step 3: Cross multiply
876,492.64x = 1,209,558.96 × 474,083.68 - Step 4: Simplify right side
876,492.64x = 573,432,162,933.77 - Step 5: Solve for x
x = 573,432,162,933.77/876,492.64 - Step 6: Final answer
x = 654,235.00
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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.