Finding the Fourth Proportional to 947,839.33, 1,307,699.07 and 539,652.49
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Solution
The fourth proportional to 947,839.33, 1,307,699.07 and 539,652.49 is: 744,538.69
Step by Step Solution
- Step 1: Write the proportion equation
947,839.33 : 1,307,699.07 = 539,652.49 : x - Step 2: Convert to fraction form
947,839.33/1,307,699.07 = 539,652.49/x - Step 3: Cross multiply
947,839.33x = 1,307,699.07 × 539,652.49 - Step 4: Simplify right side
947,839.33x = 705,703,054,003.24 - Step 5: Solve for x
x = 705,703,054,003.24/947,839.33 - Step 6: Final answer
x = 744,538.69
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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.