Finding the Fourth Proportional to 840,252.24, 1,159,542.96 and 477,676.26
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Solution
The fourth proportional to 840,252.24, 1,159,542.96 and 477,676.26 is: 659,190.32
Step by Step Solution
- Step 1: Write the proportion equation
840,252.24 : 1,159,542.96 = 477,676.26 : x - Step 2: Convert to fraction form
840,252.24/1,159,542.96 = 477,676.26/x - Step 3: Cross multiply
840,252.24x = 1,159,542.96 × 477,676.26 - Step 4: Simplify right side
840,252.24x = 553,886,144,442.13 - Step 5: Solve for x
x = 553,886,144,442.13/840,252.24 - Step 6: Final answer
x = 659,190.32
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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.