Finding the Fourth Proportional to 755,089.84, 1,131,306.09 and 710,138.80
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Solution
The fourth proportional to 755,089.84, 1,131,306.09 and 710,138.80 is: 1,063,958.63
Step by Step Solution
- Step 1: Write the proportion equation
755,089.84 : 1,131,306.09 = 710,138.80 : x - Step 2: Convert to fraction form
755,089.84/1,131,306.09 = 710,138.80/x - Step 3: Cross multiply
755,089.84x = 1,131,306.09 × 710,138.80 - Step 4: Simplify right side
755,089.84x = 803,384,349,185.29 - Step 5: Solve for x
x = 803,384,349,185.29/755,089.84 - Step 6: Final answer
x = 1,063,958.63
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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.