Finding the Fourth Proportional to 708,876.96, 1,058,796.26 and 641,305.68
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Solution
The fourth proportional to 708,876.96, 1,058,796.26 and 641,305.68 is: 957,870.11
Step by Step Solution
- Step 1: Write the proportion equation
708,876.96 : 1,058,796.26 = 641,305.68 : x - Step 2: Convert to fraction form
708,876.96/1,058,796.26 = 641,305.68/x - Step 3: Cross multiply
708,876.96x = 1,058,796.26 × 641,305.68 - Step 4: Simplify right side
708,876.96x = 679,012,052,294.23 - Step 5: Solve for x
x = 679,012,052,294.23/708,876.96 - Step 6: Final answer
x = 957,870.11
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.