Finding the Fourth Proportional to 804,904.40, 1,207,356.60 and 604,137.80
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Solution
The fourth proportional to 804,904.40, 1,207,356.60 and 604,137.80 is: 906,206.70
Step by Step Solution
- Step 1: Write the proportion equation
804,904.40 : 1,207,356.60 = 604,137.80 : x - Step 2: Convert to fraction form
804,904.40/1,207,356.60 = 604,137.80/x - Step 3: Cross multiply
804,904.40x = 1,207,356.60 × 604,137.80 - Step 4: Simplify right side
804,904.40x = 729,409,760,139.48 - Step 5: Solve for x
x = 729,409,760,139.48/804,904.40 - Step 6: Final answer
x = 906,206.70
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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.