Finding the Fourth Proportional to 1,112,578.29, 1,668,315.24 and 354,320.88
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Solution
The fourth proportional to 1,112,578.29, 1,668,315.24 and 354,320.88 is: 531,305.46
Step by Step Solution
- Step 1: Write the proportion equation
1,112,578.29 : 1,668,315.24 = 354,320.88 : x - Step 2: Convert to fraction form
1,112,578.29/1,668,315.24 = 354,320.88/x - Step 3: Cross multiply
1,112,578.29x = 1,668,315.24 × 354,320.88 - Step 4: Simplify right side
1,112,578.29x = 591,118,923,954.21 - Step 5: Solve for x
x = 591,118,923,954.21/1,112,578.29 - Step 6: Final answer
x = 531,305.46
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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.