Finding the Fourth Proportional to 971,202.20, 1,456,803.30 and 876,723.80
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Solution
The fourth proportional to 971,202.20, 1,456,803.30 and 876,723.80 is: 1,315,085.70
Step by Step Solution
- Step 1: Write the proportion equation
971,202.20 : 1,456,803.30 = 876,723.80 : x - Step 2: Convert to fraction form
971,202.20/1,456,803.30 = 876,723.80/x - Step 3: Cross multiply
971,202.20x = 1,456,803.30 × 876,723.80 - Step 4: Simplify right side
971,202.20x = 1,277,214,125,028.54 - Step 5: Solve for x
x = 1,277,214,125,028.54/971,202.20 - Step 6: Final answer
x = 1,315,085.70
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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.