Finding the Fourth Proportional to 755,698.28, 1,133,910.33 and 471,315.84
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Solution
The fourth proportional to 755,698.28, 1,133,910.33 and 471,315.84 is: 707,200.09
Step by Step Solution
- Step 1: Write the proportion equation
755,698.28 : 1,133,910.33 = 471,315.84 : x - Step 2: Convert to fraction form
755,698.28/1,133,910.33 = 471,315.84/x - Step 3: Cross multiply
755,698.28x = 1,133,910.33 × 471,315.84 - Step 4: Simplify right side
755,698.28x = 534,429,891,642.50 - Step 5: Solve for x
x = 534,429,891,642.50/755,698.28 - Step 6: Final answer
x = 707,200.09
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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.