Finding the Fourth Proportional to 971,423.98, 1,340,934.36 and 730,406.44
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Solution
The fourth proportional to 971,423.98, 1,340,934.36 and 730,406.44 is: 1,008,238.54
Step by Step Solution
- Step 1: Write the proportion equation
971,423.98 : 1,340,934.36 = 730,406.44 : x - Step 2: Convert to fraction form
971,423.98/1,340,934.36 = 730,406.44/x - Step 3: Cross multiply
971,423.98x = 1,340,934.36 × 730,406.44 - Step 4: Simplify right side
971,423.98x = 979,427,092,161.28 - Step 5: Solve for x
x = 979,427,092,161.28/971,423.98 - Step 6: Final answer
x = 1,008,238.54
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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.