Finding the Fourth Proportional to 855,471.18, 1,180,535.94 and 473,489.76
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Solution
The fourth proportional to 855,471.18, 1,180,535.94 and 473,489.76 is: 653,407.96
Step by Step Solution
- Step 1: Write the proportion equation
855,471.18 : 1,180,535.94 = 473,489.76 : x - Step 2: Convert to fraction form
855,471.18/1,180,535.94 = 473,489.76/x - Step 3: Cross multiply
855,471.18x = 1,180,535.94 × 473,489.76 - Step 4: Simplify right side
855,471.18x = 558,971,678,901.97 - Step 5: Solve for x
x = 558,971,678,901.97/855,471.18 - Step 6: Final answer
x = 653,407.96
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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.