Finding the Fourth Proportional to 804,673.60, 1,110,457.08 and 442,104.98
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Solution
The fourth proportional to 804,673.60, 1,110,457.08 and 442,104.98 is: 610,108.99
Step by Step Solution
- Step 1: Write the proportion equation
804,673.60 : 1,110,457.08 = 442,104.98 : x - Step 2: Convert to fraction form
804,673.60/1,110,457.08 = 442,104.98/x - Step 3: Cross multiply
804,673.60x = 1,110,457.08 × 442,104.98 - Step 4: Simplify right side
804,673.60x = 490,938,599,591.97 - Step 5: Solve for x
x = 490,938,599,591.97/804,673.60 - Step 6: Final answer
x = 610,108.99
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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.