Finding the Fourth Proportional to 530,341.70, 731,857.50 and 288,619.09
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Solution
The fourth proportional to 530,341.70, 731,857.50 and 288,619.09 is: 398,286.70
Step by Step Solution
- Step 1: Write the proportion equation
530,341.70 : 731,857.50 = 288,619.09 : x - Step 2: Convert to fraction form
530,341.70/731,857.50 = 288,619.09/x - Step 3: Cross multiply
530,341.70x = 731,857.50 × 288,619.09 - Step 4: Simplify right side
530,341.70x = 211,228,045,659.68 - Step 5: Solve for x
x = 211,228,045,659.68/530,341.70 - Step 6: Final answer
x = 398,286.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.