Finding the Fourth Proportional to 814,070.97, 1,123,471.98 and 451,510.11
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Solution
The fourth proportional to 814,070.97, 1,123,471.98 and 451,510.11 is: 623,113.92
Step by Step Solution
- Step 1: Write the proportion equation
814,070.97 : 1,123,471.98 = 451,510.11 : x - Step 2: Convert to fraction form
814,070.97/1,123,471.98 = 451,510.11/x - Step 3: Cross multiply
814,070.97x = 1,123,471.98 × 451,510.11 - Step 4: Simplify right side
814,070.97x = 507,258,957,271.72 - Step 5: Solve for x
x = 507,258,957,271.72/814,070.97 - Step 6: Final answer
x = 623,113.92
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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.