Finding the Fourth Proportional to 815,302.01, 1,125,079.20 and 452,749.05
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Solution
The fourth proportional to 815,302.01, 1,125,079.20 and 452,749.05 is: 624,772.82
Step by Step Solution
- Step 1: Write the proportion equation
815,302.01 : 1,125,079.20 = 452,749.05 : x - Step 2: Convert to fraction form
815,302.01/1,125,079.20 = 452,749.05/x - Step 3: Cross multiply
815,302.01x = 1,125,079.20 × 452,749.05 - Step 4: Simplify right side
815,302.01x = 509,378,538,974.76 - Step 5: Solve for x
x = 509,378,538,974.76/815,302.01 - Step 6: Final answer
x = 624,772.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.