Finding the Fourth Proportional to 756,830.98, 1,135,549.41 and 307,586.35
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Solution
The fourth proportional to 756,830.98, 1,135,549.41 and 307,586.35 is: 461,502.64
Step by Step Solution
- Step 1: Write the proportion equation
756,830.98 : 1,135,549.41 = 307,586.35 : x - Step 2: Convert to fraction form
756,830.98/1,135,549.41 = 307,586.35/x - Step 3: Cross multiply
756,830.98x = 1,135,549.41 × 307,586.35 - Step 4: Simplify right side
756,830.98x = 349,279,498,266.55 - Step 5: Solve for x
x = 349,279,498,266.55/756,830.98 - Step 6: Final answer
x = 461,502.64
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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.