Finding the Fourth Proportional to 659,438.08, 910,073.40 and 369,078.68
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Solution
The fourth proportional to 659,438.08, 910,073.40 and 369,078.68 is: 509,355.92
Step by Step Solution
- Step 1: Write the proportion equation
659,438.08 : 910,073.40 = 369,078.68 : x - Step 2: Convert to fraction form
659,438.08/910,073.40 = 369,078.68/x - Step 3: Cross multiply
659,438.08x = 910,073.40 × 369,078.68 - Step 4: Simplify right side
659,438.08x = 335,888,689,175.11 - Step 5: Solve for x
x = 335,888,689,175.11/659,438.08 - Step 6: Final answer
x = 509,355.92
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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.