Finding the Fourth Proportional to 871,541.70, 1,202,530.45 and 527,368.95
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Solution
The fourth proportional to 871,541.70, 1,202,530.45 and 527,368.95 is: 727,649.89
Step by Step Solution
- Step 1: Write the proportion equation
871,541.70 : 1,202,530.45 = 527,368.95 : x - Step 2: Convert to fraction form
871,541.70/1,202,530.45 = 527,368.95/x - Step 3: Cross multiply
871,541.70x = 1,202,530.45 × 527,368.95 - Step 4: Simplify right side
871,541.70x = 634,177,220,759.53 - Step 5: Solve for x
x = 634,177,220,759.53/871,541.70 - Step 6: Final answer
x = 727,649.89
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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.