Finding the Fourth Proportional to 691,373.09, 954,305.73 and 401,058.02
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Solution
The fourth proportional to 691,373.09, 954,305.73 and 401,058.02 is: 553,582.39
Step by Step Solution
- Step 1: Write the proportion equation
691,373.09 : 954,305.73 = 401,058.02 : x - Step 2: Convert to fraction form
691,373.09/954,305.73 = 401,058.02/x - Step 3: Cross multiply
691,373.09x = 954,305.73 × 401,058.02 - Step 4: Simplify right side
691,373.09x = 382,731,966,548.46 - Step 5: Solve for x
x = 382,731,966,548.46/691,373.09 - Step 6: Final answer
x = 553,582.39
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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.