Finding the Fourth Proportional to 996,166.98, 1,374,725.70 and 543,457.98
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Solution
The fourth proportional to 996,166.98, 1,374,725.70 and 543,457.98 is: 749,980.34
Step by Step Solution
- Step 1: Write the proportion equation
996,166.98 : 1,374,725.70 = 543,457.98 : x - Step 2: Convert to fraction form
996,166.98/1,374,725.70 = 543,457.98/x - Step 3: Cross multiply
996,166.98x = 1,374,725.70 × 543,457.98 - Step 4: Simplify right side
996,166.98x = 747,105,651,976.09 - Step 5: Solve for x
x = 747,105,651,976.09/996,166.98 - Step 6: Final answer
x = 749,980.34
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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.