Finding the Fourth Proportional to 886,232.68, 1,329,217.62 and 287,246.68
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Solution
The fourth proportional to 886,232.68, 1,329,217.62 and 287,246.68 is: 430,827.43
Step by Step Solution
- Step 1: Write the proportion equation
886,232.68 : 1,329,217.62 = 287,246.68 : x - Step 2: Convert to fraction form
886,232.68/1,329,217.62 = 287,246.68/x - Step 3: Cross multiply
886,232.68x = 1,329,217.62 × 287,246.68 - Step 4: Simplify right side
886,232.68x = 381,813,348,342.50 - Step 5: Solve for x
x = 381,813,348,342.50/886,232.68 - Step 6: Final answer
x = 430,827.43
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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.