Finding the Fourth Proportional to 587,126.06, 810,238.11 and 318,854.06
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Solution
The fourth proportional to 587,126.06, 810,238.11 and 318,854.06 is: 440,020.86
Step by Step Solution
- Step 1: Write the proportion equation
587,126.06 : 810,238.11 = 318,854.06 : x - Step 2: Convert to fraction form
587,126.06/810,238.11 = 318,854.06/x - Step 3: Cross multiply
587,126.06x = 810,238.11 × 318,854.06 - Step 4: Simplify right side
587,126.06x = 258,347,710,940.23 - Step 5: Solve for x
x = 258,347,710,940.23/587,126.06 - Step 6: Final answer
x = 440,020.86
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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.