Finding the Fourth Proportional to 838,415.24, 1,157,163.93 and 494,230.65
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Solution
The fourth proportional to 838,415.24, 1,157,163.93 and 494,230.65 is: 682,127.25
Step by Step Solution
- Step 1: Write the proportion equation
838,415.24 : 1,157,163.93 = 494,230.65 : x - Step 2: Convert to fraction form
838,415.24/1,157,163.93 = 494,230.65/x - Step 3: Cross multiply
838,415.24x = 1,157,163.93 × 494,230.65 - Step 4: Simplify right side
838,415.24x = 571,905,881,280.46 - Step 5: Solve for x
x = 571,905,881,280.46/838,415.24 - Step 6: Final answer
x = 682,127.25
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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.