Finding the Fourth Proportional to 885,356.80, 1,327,905.60 and 254,204.80
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Solution
The fourth proportional to 885,356.80, 1,327,905.60 and 254,204.80 is: 381,269.99
Step by Step Solution
- Step 1: Write the proportion equation
885,356.80 : 1,327,905.60 = 254,204.80 : x - Step 2: Convert to fraction form
885,356.80/1,327,905.60 = 254,204.80/x - Step 3: Cross multiply
885,356.80x = 1,327,905.60 × 254,204.80 - Step 4: Simplify right side
885,356.80x = 337,559,977,466.88 - Step 5: Solve for x
x = 337,559,977,466.88/885,356.80 - Step 6: Final answer
x = 381,269.99
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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.