Finding the Fourth Proportional to 927,355.47, 1,282,567.99 and 831,827.31
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Solution
The fourth proportional to 927,355.47, 1,282,567.99 and 831,827.31 is: 1,150,448.90
Step by Step Solution
- Step 1: Write the proportion equation
927,355.47 : 1,282,567.99 = 831,827.31 : x - Step 2: Convert to fraction form
927,355.47/1,282,567.99 = 831,827.31/x - Step 3: Cross multiply
927,355.47x = 1,282,567.99 × 831,827.31 - Step 4: Simplify right side
927,355.47x = 1,066,875,081,013.81 - Step 5: Solve for x
x = 1,066,875,081,013.81/927,355.47 - Step 6: Final answer
x = 1,150,448.90
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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.