Finding the Fourth Proportional to 849,120.71, 1,171,299.98 and 530,615.75
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Solution
The fourth proportional to 849,120.71, 1,171,299.98 and 530,615.75 is: 731,945.66
Step by Step Solution
- Step 1: Write the proportion equation
849,120.71 : 1,171,299.98 = 530,615.75 : x - Step 2: Convert to fraction form
849,120.71/1,171,299.98 = 530,615.75/x - Step 3: Cross multiply
849,120.71x = 1,171,299.98 × 530,615.75 - Step 4: Simplify right side
849,120.71x = 621,510,214,709.61 - Step 5: Solve for x
x = 621,510,214,709.61/849,120.71 - Step 6: Final answer
x = 731,945.66
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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.