Finding the Fourth Proportional to 625,125.69, 862,673.85 and 338,646.91
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Solution
The fourth proportional to 625,125.69, 862,673.85 and 338,646.91 is: 467,332.95
Step by Step Solution
- Step 1: Write the proportion equation
625,125.69 : 862,673.85 = 338,646.91 : x - Step 2: Convert to fraction form
625,125.69/862,673.85 = 338,646.91/x - Step 3: Cross multiply
625,125.69x = 862,673.85 × 338,646.91 - Step 4: Simplify right side
625,125.69x = 292,141,833,640.30 - Step 5: Solve for x
x = 292,141,833,640.30/625,125.69 - Step 6: Final answer
x = 467,332.95
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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.