Finding the Fourth Proportional to 806,672.16, 1,113,184.35 and 462,496.68
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Solution
The fourth proportional to 806,672.16, 1,113,184.35 and 462,496.68 is: 638,232.10
Step by Step Solution
- Step 1: Write the proportion equation
806,672.16 : 1,113,184.35 = 462,496.68 : x - Step 2: Convert to fraction form
806,672.16/1,113,184.35 = 462,496.68/x - Step 3: Cross multiply
806,672.16x = 1,113,184.35 × 462,496.68 - Step 4: Simplify right side
806,672.16x = 514,844,066,102.96 - Step 5: Solve for x
x = 514,844,066,102.96/806,672.16 - Step 6: Final answer
x = 638,232.10
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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.