Finding the Fourth Proportional to 936,331.80, 1,404,497.70 and 910,087.80
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Solution
The fourth proportional to 936,331.80, 1,404,497.70 and 910,087.80 is: 1,365,131.70
Step by Step Solution
- Step 1: Write the proportion equation
936,331.80 : 1,404,497.70 = 910,087.80 : x - Step 2: Convert to fraction form
936,331.80/1,404,497.70 = 910,087.80/x - Step 3: Cross multiply
936,331.80x = 1,404,497.70 × 910,087.80 - Step 4: Simplify right side
936,331.80x = 1,278,216,221,898.06 - Step 5: Solve for x
x = 1,278,216,221,898.06/936,331.80 - Step 6: Final answer
x = 1,365,131.70
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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.