Finding the Fourth Proportional to 990,522.14, 1,366,925.58 and 560,885.99
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Solution
The fourth proportional to 990,522.14, 1,366,925.58 and 560,885.99 is: 774,025.51
Step by Step Solution
- Step 1: Write the proportion equation
990,522.14 : 1,366,925.58 = 560,885.99 : x - Step 2: Convert to fraction form
990,522.14/1,366,925.58 = 560,885.99/x - Step 3: Cross multiply
990,522.14x = 1,366,925.58 × 560,885.99 - Step 4: Simplify right side
990,522.14x = 766,689,400,360.00 - Step 5: Solve for x
x = 766,689,400,360.00/990,522.14 - Step 6: Final answer
x = 774,025.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.