Finding the Fourth Proportional to 625,041.20, 862,495.08 and 349,347.44
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Solution
The fourth proportional to 625,041.20, 862,495.08 and 349,347.44 is: 482,064.94
Step by Step Solution
- Step 1: Write the proportion equation
625,041.20 : 862,495.08 = 349,347.44 : x - Step 2: Convert to fraction form
625,041.20/862,495.08 = 349,347.44/x - Step 3: Cross multiply
625,041.20x = 862,495.08 × 349,347.44 - Step 4: Simplify right side
625,041.20x = 301,310,448,210.60 - Step 5: Solve for x
x = 301,310,448,210.60/625,041.20 - Step 6: Final answer
x = 482,064.94
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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.