Finding the Fourth Proportional to 830,313.08, 1,145,826.98 and 467,853.68
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Solution
The fourth proportional to 830,313.08, 1,145,826.98 and 467,853.68 is: 645,635.22
Step by Step Solution
- Step 1: Write the proportion equation
830,313.08 : 1,145,826.98 = 467,853.68 : x - Step 2: Convert to fraction form
830,313.08/1,145,826.98 = 467,853.68/x - Step 3: Cross multiply
830,313.08x = 1,145,826.98 × 467,853.68 - Step 4: Simplify right side
830,313.08x = 536,079,369,236.29 - Step 5: Solve for x
x = 536,079,369,236.29/830,313.08 - Step 6: Final answer
x = 645,635.22
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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.