Finding the Fourth Proportional to 509,199.59, 702,717.69 and 282,845.09
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Solution
The fourth proportional to 509,199.59, 702,717.69 and 282,845.09 is: 390,338.59
Step by Step Solution
- Step 1: Write the proportion equation
509,199.59 : 702,717.69 = 282,845.09 : x - Step 2: Convert to fraction form
509,199.59/702,717.69 = 282,845.09/x - Step 3: Cross multiply
509,199.59x = 702,717.69 × 282,845.09 - Step 4: Simplify right side
509,199.59x = 198,760,248,272.64 - Step 5: Solve for x
x = 198,760,248,272.64/509,199.59 - Step 6: Final answer
x = 390,338.59
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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.