Finding the Fourth Proportional to 806,673.16, 1,113,185.73 and 462,497.68
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Solution
The fourth proportional to 806,673.16, 1,113,185.73 and 462,497.68 is: 638,233.48
Step by Step Solution
- Step 1: Write the proportion equation
806,673.16 : 1,113,185.73 = 462,497.68 : x - Step 2: Convert to fraction form
806,673.16/1,113,185.73 = 462,497.68/x - Step 3: Cross multiply
806,673.16x = 1,113,185.73 × 462,497.68 - Step 4: Simplify right side
806,673.16x = 514,845,817,534.11 - Step 5: Solve for x
x = 514,845,817,534.11/806,673.16 - Step 6: Final answer
x = 638,233.48
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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.