Finding the Fourth Proportional to 971,331.90, 1,456,609.05 and 339,920.70
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Solution
The fourth proportional to 971,331.90, 1,456,609.05 and 339,920.70 is: 509,744.99
Step by Step Solution
- Step 1: Write the proportion equation
971,331.90 : 1,456,609.05 = 339,920.70 : x - Step 2: Convert to fraction form
971,331.90/1,456,609.05 = 339,920.70/x - Step 3: Cross multiply
971,331.90x = 1,456,609.05 × 339,920.70 - Step 4: Simplify right side
971,331.90x = 495,131,567,902.34 - Step 5: Solve for x
x = 495,131,567,902.34/971,331.90 - Step 6: Final answer
x = 509,744.99
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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.