Finding the Fourth Proportional to 771,107.36, 1,152,194.92 and 556,855.52
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Solution
The fourth proportional to 771,107.36, 1,152,194.92 and 556,855.52 is: 832,058.07
Step by Step Solution
- Step 1: Write the proportion equation
771,107.36 : 1,152,194.92 = 556,855.52 : x - Step 2: Convert to fraction form
771,107.36/1,152,194.92 = 556,855.52/x - Step 3: Cross multiply
771,107.36x = 1,152,194.92 × 556,855.52 - Step 4: Simplify right side
771,107.36x = 641,606,101,317.96 - Step 5: Solve for x
x = 641,606,101,317.96/771,107.36 - Step 6: Final answer
x = 832,058.07
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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.