Finding the Fourth Proportional to 625,176.24, 862,744.08 and 338,696.32
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Solution
The fourth proportional to 625,176.24, 862,744.08 and 338,696.32 is: 467,401.39
Step by Step Solution
- Step 1: Write the proportion equation
625,176.24 : 862,744.08 = 338,696.32 : x - Step 2: Convert to fraction form
625,176.24/862,744.08 = 338,696.32/x - Step 3: Cross multiply
625,176.24x = 862,744.08 × 338,696.32 - Step 4: Simplify right side
625,176.24x = 292,208,243,823.52 - Step 5: Solve for x
x = 292,208,243,823.52/625,176.24 - Step 6: Final answer
x = 467,401.39
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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.