Finding the Fourth Proportional to 927,116.19, 1,391,259.33 and 394,636.37
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Solution
The fourth proportional to 927,116.19, 1,391,259.33 and 394,636.37 is: 592,203.58
Step by Step Solution
- Step 1: Write the proportion equation
927,116.19 : 1,391,259.33 = 394,636.37 : x - Step 2: Convert to fraction form
927,116.19/1,391,259.33 = 394,636.37/x - Step 3: Cross multiply
927,116.19x = 1,391,259.33 × 394,636.37 - Step 4: Simplify right side
927,116.19x = 549,041,524,763.54 - Step 5: Solve for x
x = 549,041,524,763.54/927,116.19 - Step 6: Final answer
x = 592,203.58
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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.