Finding the Fourth Proportional to 971,407.76, 1,456,229.49 and 339,977.12
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Solution
The fourth proportional to 971,407.76, 1,456,229.49 and 339,977.12 is: 509,656.94
Step by Step Solution
- Step 1: Write the proportion equation
971,407.76 : 1,456,229.49 = 339,977.12 : x - Step 2: Convert to fraction form
971,407.76/1,456,229.49 = 339,977.12/x - Step 3: Cross multiply
971,407.76x = 1,456,229.49 × 339,977.12 - Step 4: Simplify right side
971,407.76x = 495,084,700,788.12 - Step 5: Solve for x
x = 495,084,700,788.12/971,407.76 - Step 6: Final answer
x = 509,656.94
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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.