Finding the Fourth Proportional to 993,588.50, 1,489,386.24 and 461,483.21
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Solution
The fourth proportional to 993,588.50, 1,489,386.24 and 461,483.21 is: 691,761.97
Step by Step Solution
- Step 1: Write the proportion equation
993,588.50 : 1,489,386.24 = 461,483.21 : x - Step 2: Convert to fraction form
993,588.50/1,489,386.24 = 461,483.21/x - Step 3: Cross multiply
993,588.50x = 1,489,386.24 × 461,483.21 - Step 4: Simplify right side
993,588.50x = 687,326,735,518.10 - Step 5: Solve for x
x = 687,326,735,518.10/993,588.50 - Step 6: Final answer
x = 691,761.97
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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.