Finding the Fourth Proportional to 965,779.58, 1,332,772.53 and 530,186.09
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Solution
The fourth proportional to 965,779.58, 1,332,772.53 and 530,186.09 is: 731,654.99
Step by Step Solution
- Step 1: Write the proportion equation
965,779.58 : 1,332,772.53 = 530,186.09 : x - Step 2: Convert to fraction form
965,779.58/1,332,772.53 = 530,186.09/x - Step 3: Cross multiply
965,779.58x = 1,332,772.53 × 530,186.09 - Step 4: Simplify right side
965,779.58x = 706,617,447,888.05 - Step 5: Solve for x
x = 706,617,447,888.05/965,779.58 - Step 6: Final answer
x = 731,654.99
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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.