Finding the Fourth Proportional to 755,622.70, 1,134,053.70 and 749,717.80
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Solution
The fourth proportional to 755,622.70, 1,134,053.70 and 749,717.80 is: 1,125,191.51
Step by Step Solution
- Step 1: Write the proportion equation
755,622.70 : 1,134,053.70 = 749,717.80 : x - Step 2: Convert to fraction form
755,622.70/1,134,053.70 = 749,717.80/x - Step 3: Cross multiply
755,622.70x = 1,134,053.70 × 749,717.80 - Step 4: Simplify right side
755,622.70x = 850,220,245,045.86 - Step 5: Solve for x
x = 850,220,245,045.86/755,622.70 - Step 6: Final answer
x = 1,125,191.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.