Finding the Fourth Proportional to 1,012,406.88, 1,397,065.68 and 559,668
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Solution
The fourth proportional to 1,012,406.88, 1,397,065.68 and 559,668 is: 772,310.99
Step by Step Solution
- Step 1: Write the proportion equation
1,012,406.88 : 1,397,065.68 = 559,668 : x - Step 2: Convert to fraction form
1,012,406.88/1,397,065.68 = 559,668/x - Step 3: Cross multiply
1,012,406.88x = 1,397,065.68 × 559,668 - Step 4: Simplify right side
1,012,406.88x = 781,892,954,994.24 - Step 5: Solve for x
x = 781,892,954,994.24/1,012,406.88 - Step 6: Final answer
x = 772,310.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.