Finding the Fourth Proportional to 651,054.21, 898,766.18 and 433,624.49
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Solution
The fourth proportional to 651,054.21, 898,766.18 and 433,624.49 is: 598,609.17
Step by Step Solution
- Step 1: Write the proportion equation
651,054.21 : 898,766.18 = 433,624.49 : x - Step 2: Convert to fraction form
651,054.21/898,766.18 = 433,624.49/x - Step 3: Cross multiply
651,054.21x = 898,766.18 × 433,624.49 - Step 4: Simplify right side
651,054.21x = 389,727,019,769.80 - Step 5: Solve for x
x = 389,727,019,769.80/651,054.21 - Step 6: Final answer
x = 598,609.17
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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.