Finding the Fourth Proportional to 634,427.87, 875,508.69 and 362,580.12
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Solution
The fourth proportional to 634,427.87, 875,508.69 and 362,580.12 is: 500,359.56
Step by Step Solution
- Step 1: Write the proportion equation
634,427.87 : 875,508.69 = 362,580.12 : x - Step 2: Convert to fraction form
634,427.87/875,508.69 = 362,580.12/x - Step 3: Cross multiply
634,427.87x = 875,508.69 × 362,580.12 - Step 4: Simplify right side
634,427.87x = 317,442,045,881.24 - Step 5: Solve for x
x = 317,442,045,881.24/634,427.87 - Step 6: Final answer
x = 500,359.56
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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.