Finding the Fourth Proportional to 664,457.70, 996,686.55 and 625,091.70
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Solution
The fourth proportional to 664,457.70, 996,686.55 and 625,091.70 is: 937,637.55
Step by Step Solution
- Step 1: Write the proportion equation
664,457.70 : 996,686.55 = 625,091.70 : x - Step 2: Convert to fraction form
664,457.70/996,686.55 = 625,091.70/x - Step 3: Cross multiply
664,457.70x = 996,686.55 × 625,091.70 - Step 4: Simplify right side
664,457.70x = 623,020,489,906.64 - Step 5: Solve for x
x = 623,020,489,906.64/664,457.70 - Step 6: Final answer
x = 937,637.55
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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.