Finding the Fourth Proportional to 804,987.70, 1,208,259.15 and 490,059.70
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Solution
The fourth proportional to 804,987.70, 1,208,259.15 and 490,059.70 is: 735,562.94
Step by Step Solution
- Step 1: Write the proportion equation
804,987.70 : 1,208,259.15 = 490,059.70 : x - Step 2: Convert to fraction form
804,987.70/1,208,259.15 = 490,059.70/x - Step 3: Cross multiply
804,987.70x = 1,208,259.15 × 490,059.70 - Step 4: Simplify right side
804,987.70x = 592,119,116,571.26 - Step 5: Solve for x
x = 592,119,116,571.26/804,987.70 - Step 6: Final answer
x = 735,562.94
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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.