Finding the Fourth Proportional to 940,895.14, 1,411,129.92 and 435,178.62
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Solution
The fourth proportional to 940,895.14, 1,411,129.92 and 435,178.62 is: 652,669.51
Step by Step Solution
- Step 1: Write the proportion equation
940,895.14 : 1,411,129.92 = 435,178.62 : x - Step 2: Convert to fraction form
940,895.14/1,411,129.92 = 435,178.62/x - Step 3: Cross multiply
940,895.14x = 1,411,129.92 × 435,178.62 - Step 4: Simplify right side
940,895.14x = 614,093,571,226.31 - Step 5: Solve for x
x = 614,093,571,226.31/940,895.14 - Step 6: Final answer
x = 652,669.51
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1.5x scale
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.