Finding the Fourth Proportional to 990,028.53, 1,366,240.05 and 537,319.53
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Solution
The fourth proportional to 990,028.53, 1,366,240.05 and 537,319.53 is: 741,501.32
Step by Step Solution
- Step 1: Write the proportion equation
990,028.53 : 1,366,240.05 = 537,319.53 : x - Step 2: Convert to fraction form
990,028.53/1,366,240.05 = 537,319.53/x - Step 3: Cross multiply
990,028.53x = 1,366,240.05 × 537,319.53 - Step 4: Simplify right side
990,028.53x = 734,107,461,533.18 - Step 5: Solve for x
x = 734,107,461,533.18/990,028.53 - Step 6: Final answer
x = 741,501.32
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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.