Finding the Fourth Proportional to 632,318.13, 872,580.42 and 345,832.02
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Solution
The fourth proportional to 632,318.13, 872,580.42 and 345,832.02 is: 477,238.02
Step by Step Solution
- Step 1: Write the proportion equation
632,318.13 : 872,580.42 = 345,832.02 : x - Step 2: Convert to fraction form
632,318.13/872,580.42 = 345,832.02/x - Step 3: Cross multiply
632,318.13x = 872,580.42 × 345,832.02 - Step 4: Simplify right side
632,318.13x = 301,766,249,261.05 - Step 5: Solve for x
x = 301,766,249,261.05/632,318.13 - Step 6: Final answer
x = 477,238.02
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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.