Finding the Fourth Proportional to 720,197.96, 993,560.94 and 433,551.96
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Solution
The fourth proportional to 720,197.96, 993,560.94 and 433,551.96 is: 598,113.74
Step by Step Solution
- Step 1: Write the proportion equation
720,197.96 : 993,560.94 = 433,551.96 : x - Step 2: Convert to fraction form
720,197.96/993,560.94 = 433,551.96/x - Step 3: Cross multiply
720,197.96x = 993,560.94 × 433,551.96 - Step 4: Simplify right side
720,197.96x = 430,760,292,916.44 - Step 5: Solve for x
x = 430,760,292,916.44/720,197.96 - Step 6: Final answer
x = 598,113.74
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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.