Finding the Fourth Proportional to 828,887.99, 1,243,331.99 and 296,376.73
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Solution
The fourth proportional to 828,887.99, 1,243,331.99 and 296,376.73 is: 444,565.10
Step by Step Solution
- Step 1: Write the proportion equation
828,887.99 : 1,243,331.99 = 296,376.73 : x - Step 2: Convert to fraction form
828,887.99/1,243,331.99 = 296,376.73/x - Step 3: Cross multiply
828,887.99x = 1,243,331.99 × 296,376.73 - Step 4: Simplify right side
828,887.99x = 368,494,669,500.59 - Step 5: Solve for x
x = 368,494,669,500.59/828,887.99 - Step 6: Final answer
x = 444,565.10
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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.