Finding the Fourth Proportional to 851,581.91, 1,175,129.34 and 488,750.37
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Solution
The fourth proportional to 851,581.91, 1,175,129.34 and 488,750.37 is: 674,444.70
Step by Step Solution
- Step 1: Write the proportion equation
851,581.91 : 1,175,129.34 = 488,750.37 : x - Step 2: Convert to fraction form
851,581.91/1,175,129.34 = 488,750.37/x - Step 3: Cross multiply
851,581.91x = 1,175,129.34 × 488,750.37 - Step 4: Simplify right side
851,581.91x = 574,344,899,722.86 - Step 5: Solve for x
x = 574,344,899,722.86/851,581.91 - Step 6: Final answer
x = 674,444.70
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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.