Finding the Fourth Proportional to 664,457.80, 996,686.70 and 585,725.80
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Solution
The fourth proportional to 664,457.80, 996,686.70 and 585,725.80 is: 878,588.70
Step by Step Solution
- Step 1: Write the proportion equation
664,457.80 : 996,686.70 = 585,725.80 : x - Step 2: Convert to fraction form
664,457.80/996,686.70 = 585,725.80/x - Step 3: Cross multiply
664,457.80x = 996,686.70 × 585,725.80 - Step 4: Simplify right side
664,457.80x = 583,785,114,706.86 - Step 5: Solve for x
x = 583,785,114,706.86/664,457.80 - Step 6: Final answer
x = 878,588.70
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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.