Finding the Fourth Proportional to 530,342.27, 731,858.31 and 288,619.68
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Solution
The fourth proportional to 530,342.27, 731,858.31 and 288,619.68 is: 398,287.53
Step by Step Solution
- Step 1: Write the proportion equation
530,342.27 : 731,858.31 = 288,619.68 : x - Step 2: Convert to fraction form
530,342.27/731,858.31 = 288,619.68/x - Step 3: Cross multiply
530,342.27x = 731,858.31 × 288,619.68 - Step 4: Simplify right side
530,342.27x = 211,228,711,237.54 - Step 5: Solve for x
x = 211,228,711,237.54/530,342.27 - Step 6: Final answer
x = 398,287.53
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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.