Finding the Fourth Proportional to 804,702.80, 1,207,313.40 and 538,763.60
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Solution
The fourth proportional to 804,702.80, 1,207,313.40 and 538,763.60 is: 808,318.94
Step by Step Solution
- Step 1: Write the proportion equation
804,702.80 : 1,207,313.40 = 538,763.60 : x - Step 2: Convert to fraction form
804,702.80/1,207,313.40 = 538,763.60/x - Step 3: Cross multiply
804,702.80x = 1,207,313.40 × 538,763.60 - Step 4: Simplify right side
804,702.80x = 650,456,513,712.24 - Step 5: Solve for x
x = 650,456,513,712.24/804,702.80 - Step 6: Final answer
x = 808,318.94
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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.