Finding the Fourth Proportional to 976,541.80, 1,464,812.70 and 504,149.80
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Solution
The fourth proportional to 976,541.80, 1,464,812.70 and 504,149.80 is: 756,224.70
Step by Step Solution
- Step 1: Write the proportion equation
976,541.80 : 1,464,812.70 = 504,149.80 : x - Step 2: Convert to fraction form
976,541.80/1,464,812.70 = 504,149.80/x - Step 3: Cross multiply
976,541.80x = 1,464,812.70 × 504,149.80 - Step 4: Simplify right side
976,541.80x = 738,485,029,742.46 - Step 5: Solve for x
x = 738,485,029,742.46/976,541.80 - Step 6: Final answer
x = 756,224.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.