Finding the Fourth Proportional to 605,233.20, 908,287.20 and 338,710.80
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Solution
The fourth proportional to 605,233.20, 908,287.20 and 338,710.80 is: 508,310.99
Step by Step Solution
- Step 1: Write the proportion equation
605,233.20 : 908,287.20 = 338,710.80 : x - Step 2: Convert to fraction form
605,233.20/908,287.20 = 338,710.80/x - Step 3: Cross multiply
605,233.20x = 908,287.20 × 338,710.80 - Step 4: Simplify right side
605,233.20x = 307,646,684,141.76 - Step 5: Solve for x
x = 307,646,684,141.76/605,233.20 - Step 6: Final answer
x = 508,310.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.