Finding the Fourth Proportional to 932,817.21, 1,287,272.67 and 524,918.81
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Solution
The fourth proportional to 932,817.21, 1,287,272.67 and 524,918.81 is: 724,379.48
Step by Step Solution
- Step 1: Write the proportion equation
932,817.21 : 1,287,272.67 = 524,918.81 : x - Step 2: Convert to fraction form
932,817.21/1,287,272.67 = 524,918.81/x - Step 3: Cross multiply
932,817.21x = 1,287,272.67 × 524,918.81 - Step 4: Simplify right side
932,817.21x = 675,713,639,331.66 - Step 5: Solve for x
x = 675,713,639,331.66/932,817.21 - Step 6: Final answer
x = 724,379.48
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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.