Finding the Fourth Proportional to 763,108.29, 1,144,650.58 and 258,023.98
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Solution
The fourth proportional to 763,108.29, 1,144,650.58 and 258,023.98 is: 387,031.96
Step by Step Solution
- Step 1: Write the proportion equation
763,108.29 : 1,144,650.58 = 258,023.98 : x - Step 2: Convert to fraction form
763,108.29/1,144,650.58 = 258,023.98/x - Step 3: Cross multiply
763,108.29x = 1,144,650.58 × 258,023.98 - Step 4: Simplify right side
763,108.29x = 295,347,298,360.91 - Step 5: Solve for x
x = 295,347,298,360.91/763,108.29 - Step 6: Final answer
x = 387,031.96
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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.