Finding the Fourth Proportional to 916,058.36, 1,373,878.36 and 347,502.61
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Solution
The fourth proportional to 916,058.36, 1,373,878.36 and 347,502.61 is: 521,174.56
Step by Step Solution
- Step 1: Write the proportion equation
916,058.36 : 1,373,878.36 = 347,502.61 : x - Step 2: Convert to fraction form
916,058.36/1,373,878.36 = 347,502.61/x - Step 3: Cross multiply
916,058.36x = 1,373,878.36 × 347,502.61 - Step 4: Simplify right side
916,058.36x = 477,426,310,346.18 - Step 5: Solve for x
x = 477,426,310,346.18/916,058.36 - Step 6: Final answer
x = 521,174.56
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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.