Finding the Fourth Proportional to 930,914.70, 1,396,372.05 and 887,612.10
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Solution
The fourth proportional to 930,914.70, 1,396,372.05 and 887,612.10 is: 1,331,418.15
Step by Step Solution
- Step 1: Write the proportion equation
930,914.70 : 1,396,372.05 = 887,612.10 : x - Step 2: Convert to fraction form
930,914.70/1,396,372.05 = 887,612.10/x - Step 3: Cross multiply
930,914.70x = 1,396,372.05 × 887,612.10 - Step 4: Simplify right side
930,914.70x = 1,239,436,727,681.81 - Step 5: Solve for x
x = 1,239,436,727,681.81/930,914.70 - Step 6: Final answer
x = 1,331,418.15
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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.