Finding the Fourth Proportional to 755,122.70, 1,133,303.70 and 749,217.80
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Solution
The fourth proportional to 755,122.70, 1,133,303.70 and 749,217.80 is: 1,124,441.50
Step by Step Solution
- Step 1: Write the proportion equation
755,122.70 : 1,133,303.70 = 749,217.80 : x - Step 2: Convert to fraction form
755,122.70/1,133,303.70 = 749,217.80/x - Step 3: Cross multiply
755,122.70x = 1,133,303.70 × 749,217.80 - Step 4: Simplify right side
755,122.70x = 849,091,304,845.86 - Step 5: Solve for x
x = 849,091,304,845.86/755,122.70 - Step 6: Final answer
x = 1,124,441.50
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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.