Finding the Fourth Proportional to 755,027, 1,132,715.70 and 256,391.48
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Solution
The fourth proportional to 755,027, 1,132,715.70 and 256,391.48 is: 384,646.71
Step by Step Solution
- Step 1: Write the proportion equation
755,027 : 1,132,715.70 = 256,391.48 : x - Step 2: Convert to fraction form
755,027/1,132,715.70 = 256,391.48/x - Step 3: Cross multiply
755,027x = 1,132,715.70 × 256,391.48 - Step 4: Simplify right side
755,027x = 290,418,654,742.24 - Step 5: Solve for x
x = 290,418,654,742.24/755,027 - Step 6: Final answer
x = 384,646.71
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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.