Finding the Fourth Proportional to 424,259.06, 637,554.99 and 396,518.18
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Solution
The fourth proportional to 424,259.06, 637,554.99 and 396,518.18 is: 595,867.40
Step by Step Solution
- Step 1: Write the proportion equation
424,259.06 : 637,554.99 = 396,518.18 : x - Step 2: Convert to fraction form
424,259.06/637,554.99 = 396,518.18/x - Step 3: Cross multiply
424,259.06x = 637,554.99 × 396,518.18 - Step 4: Simplify right side
424,259.06x = 252,802,141,096.94 - Step 5: Solve for x
x = 252,802,141,096.94/424,259.06 - Step 6: Final answer
x = 595,867.40
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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.