Finding the Fourth Proportional to 625,108.66, 862,652.59 and 338,628.74
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Solution
The fourth proportional to 625,108.66, 862,652.59 and 338,628.74 is: 467,309.09
Step by Step Solution
- Step 1: Write the proportion equation
625,108.66 : 862,652.59 = 338,628.74 : x - Step 2: Convert to fraction form
625,108.66/862,652.59 = 338,628.74/x - Step 3: Cross multiply
625,108.66x = 862,652.59 × 338,628.74 - Step 4: Simplify right side
625,108.66x = 292,118,957,916.29 - Step 5: Solve for x
x = 292,118,957,916.29/625,108.66 - Step 6: Final answer
x = 467,309.09
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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.