Finding the Fourth Proportional to 853,772.01, 1,178,204.99 and 471,795.45
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Solution
The fourth proportional to 853,772.01, 1,178,204.99 and 471,795.45 is: 651,077.51
Step by Step Solution
- Step 1: Write the proportion equation
853,772.01 : 1,178,204.99 = 471,795.45 : x - Step 2: Convert to fraction form
853,772.01/1,178,204.99 = 471,795.45/x - Step 3: Cross multiply
853,772.01x = 1,178,204.99 × 471,795.45 - Step 4: Simplify right side
853,772.01x = 555,871,751,090.32 - Step 5: Solve for x
x = 555,871,751,090.32/853,772.01 - Step 6: Final answer
x = 651,077.51
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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.