Finding the Fourth Proportional to 625,155.06, 862,396.84 and 395,325.06
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Solution
The fourth proportional to 625,155.06, 862,396.84 and 395,325.06 is: 545,348.03
Step by Step Solution
- Step 1: Write the proportion equation
625,155.06 : 862,396.84 = 395,325.06 : x - Step 2: Convert to fraction form
625,155.06/862,396.84 = 395,325.06/x - Step 3: Cross multiply
625,155.06x = 862,396.84 × 395,325.06 - Step 4: Simplify right side
625,155.06x = 340,927,079,776.98 - Step 5: Solve for x
x = 340,927,079,776.98/625,155.06 - Step 6: Final answer
x = 545,348.03
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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.