Finding the Fourth Proportional to 832,664.79, 1,249,495.47 and 764,906.06
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Solution
The fourth proportional to 832,664.79, 1,249,495.47 and 764,906.06 is: 1,147,816.83
Step by Step Solution
- Step 1: Write the proportion equation
832,664.79 : 1,249,495.47 = 764,906.06 : x - Step 2: Convert to fraction form
832,664.79/1,249,495.47 = 764,906.06/x - Step 3: Cross multiply
832,664.79x = 1,249,495.47 × 764,906.06 - Step 4: Simplify right side
832,664.79x = 955,746,660,069.29 - Step 5: Solve for x
x = 955,746,660,069.29/832,664.79 - Step 6: Final answer
x = 1,147,816.83
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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.