Finding the Fourth Proportional to 945,902.41, 1,305,372.99 and 516,210.10
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Solution
The fourth proportional to 945,902.41, 1,305,372.99 and 516,210.10 is: 712,385.04
Step by Step Solution
- Step 1: Write the proportion equation
945,902.41 : 1,305,372.99 = 516,210.10 : x - Step 2: Convert to fraction form
945,902.41/1,305,372.99 = 516,210.10/x - Step 3: Cross multiply
945,902.41x = 1,305,372.99 × 516,210.10 - Step 4: Simplify right side
945,902.41x = 673,846,721,705.20 - Step 5: Solve for x
x = 673,846,721,705.20/945,902.41 - Step 6: Final answer
x = 712,385.04
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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.