Finding the Fourth Proportional to 804,903.10, 1,205,605.05 and 488,808.70
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Solution
The fourth proportional to 804,903.10, 1,205,605.05 and 488,808.70 is: 732,150.54
Step by Step Solution
- Step 1: Write the proportion equation
804,903.10 : 1,205,605.05 = 488,808.70 : x - Step 2: Convert to fraction form
804,903.10/1,205,605.05 = 488,808.70/x - Step 3: Cross multiply
804,903.10x = 1,205,605.05 × 488,808.70 - Step 4: Simplify right side
804,903.10x = 589,310,237,203.94 - Step 5: Solve for x
x = 589,310,237,203.94/804,903.10 - Step 6: Final answer
x = 732,150.54
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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.