Finding the Fourth Proportional to 853,466.17, 1,177,807.08 and 471,517.57
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Solution
The fourth proportional to 853,466.17, 1,177,807.08 and 471,517.57 is: 650,707.38
Step by Step Solution
- Step 1: Write the proportion equation
853,466.17 : 1,177,807.08 = 471,517.57 : x - Step 2: Convert to fraction form
853,466.17/1,177,807.08 = 471,517.57/x - Step 3: Cross multiply
853,466.17x = 1,177,807.08 × 471,517.57 - Step 4: Simplify right side
853,466.17x = 555,356,732,290.40 - Step 5: Solve for x
x = 555,356,732,290.40/853,466.17 - Step 6: Final answer
x = 650,707.38
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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.