Finding the Fourth Proportional to 828,881.99, 1,243,322.99 and 296,370.73
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Solution
The fourth proportional to 828,881.99, 1,243,322.99 and 296,370.73 is: 444,556.10
Step by Step Solution
- Step 1: Write the proportion equation
828,881.99 : 1,243,322.99 = 296,370.73 : x - Step 2: Convert to fraction form
828,881.99/1,243,322.99 = 296,370.73/x - Step 3: Cross multiply
828,881.99x = 1,243,322.99 × 296,370.73 - Step 4: Simplify right side
828,881.99x = 368,484,542,172.08 - Step 5: Solve for x
x = 368,484,542,172.08/828,881.99 - Step 6: Final answer
x = 444,556.10
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Similar ratio
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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.