Finding the Fourth Proportional to 509,475.62, 702,335.37 and 356,037.42
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Solution
The fourth proportional to 509,475.62, 702,335.37 and 356,037.42 is: 490,813.82
Step by Step Solution
- Step 1: Write the proportion equation
509,475.62 : 702,335.37 = 356,037.42 : x - Step 2: Convert to fraction form
509,475.62/702,335.37 = 356,037.42/x - Step 3: Cross multiply
509,475.62x = 702,335.37 × 356,037.42 - Step 4: Simplify right side
509,475.62x = 250,057,677,078.44 - Step 5: Solve for x
x = 250,057,677,078.44/509,475.62 - Step 6: Final answer
x = 490,813.82
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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.