Finding the Fourth Proportional to 885,201.96, 1,327,122.36 and 458,280.12
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Solution
The fourth proportional to 885,201.96, 1,327,122.36 and 458,280.12 is: 687,067.84
Step by Step Solution
- Step 1: Write the proportion equation
885,201.96 : 1,327,122.36 = 458,280.12 : x - Step 2: Convert to fraction form
885,201.96/1,327,122.36 = 458,280.12/x - Step 3: Cross multiply
885,201.96x = 1,327,122.36 × 458,280.12 - Step 4: Simplify right side
885,201.96x = 608,193,794,395.48 - Step 5: Solve for x
x = 608,193,794,395.48/885,201.96 - Step 6: Final answer
x = 687,067.84
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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.