Finding the Fourth Proportional to 831,624, 1,247,513.76 and 270,507.84
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Solution
The fourth proportional to 831,624, 1,247,513.76 and 270,507.84 is: 405,787.05
Step by Step Solution
- Step 1: Write the proportion equation
831,624 : 1,247,513.76 = 270,507.84 : x - Step 2: Convert to fraction form
831,624/1,247,513.76 = 270,507.84/x - Step 3: Cross multiply
831,624x = 1,247,513.76 × 270,507.84 - Step 4: Simplify right side
831,624x = 337,462,252,587.88 - Step 5: Solve for x
x = 337,462,252,587.88/831,624 - Step 6: Final answer
x = 405,787.05
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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.