Finding the Fourth Proportional to 527,430.13, 727,852.91 and 285,713.67
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Solution
The fourth proportional to 527,430.13, 727,852.91 and 285,713.67 is: 394,284.49
Step by Step Solution
- Step 1: Write the proportion equation
527,430.13 : 727,852.91 = 285,713.67 : x - Step 2: Convert to fraction form
527,430.13/727,852.91 = 285,713.67/x - Step 3: Cross multiply
527,430.13x = 727,852.91 × 285,713.67 - Step 4: Simplify right side
527,430.13x = 207,957,522,922.12 - Step 5: Solve for x
x = 207,957,522,922.12/527,430.13 - Step 6: Final answer
x = 394,284.49
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1.5x scale
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.