Finding the Fourth Proportional to 971,412.81, 1,456,237.11 and 339,982.17
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Solution
The fourth proportional to 971,412.81, 1,456,237.11 and 339,982.17 is: 509,664.53
Step by Step Solution
- Step 1: Write the proportion equation
971,412.81 : 1,456,237.11 = 339,982.17 : x - Step 2: Convert to fraction form
971,412.81/1,456,237.11 = 339,982.17/x - Step 3: Cross multiply
971,412.81x = 1,456,237.11 × 339,982.17 - Step 4: Simplify right side
971,412.81x = 495,094,652,692.33 - Step 5: Solve for x
x = 495,094,652,692.33/971,412.81 - Step 6: Final answer
x = 509,664.53
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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.