Finding the Fourth Proportional to 930,164.40, 1,395,246.60 and 611,299.80
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Solution
The fourth proportional to 930,164.40, 1,395,246.60 and 611,299.80 is: 916,949.70
Step by Step Solution
- Step 1: Write the proportion equation
930,164.40 : 1,395,246.60 = 611,299.80 : x - Step 2: Convert to fraction form
930,164.40/1,395,246.60 = 611,299.80/x - Step 3: Cross multiply
930,164.40x = 1,395,246.60 × 611,299.80 - Step 4: Simplify right side
930,164.40x = 852,913,967,530.68 - Step 5: Solve for x
x = 852,913,967,530.68/930,164.40 - Step 6: Final answer
x = 916,949.70
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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.