Finding the Fourth Proportional to 671,895.80, 927,217.47 and 365,971.23
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Solution
The fourth proportional to 671,895.80, 927,217.47 and 365,971.23 is: 505,040.99
Step by Step Solution
- Step 1: Write the proportion equation
671,895.80 : 927,217.47 = 365,971.23 : x - Step 2: Convert to fraction form
671,895.80/927,217.47 = 365,971.23/x - Step 3: Cross multiply
671,895.80x = 927,217.47 × 365,971.23 - Step 4: Simplify right side
671,895.80x = 339,334,917,973.39 - Step 5: Solve for x
x = 339,334,917,973.39/671,895.80 - Step 6: Final answer
x = 505,040.99
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1.5x scale
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.