Finding the Fourth Proportional to 810,161.58, 1,214,101.47 and 619,885.26
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Solution
The fourth proportional to 810,161.58, 1,214,101.47 and 619,885.26 is: 928,954.94
Step by Step Solution
- Step 1: Write the proportion equation
810,161.58 : 1,214,101.47 = 619,885.26 : x - Step 2: Convert to fraction form
810,161.58/1,214,101.47 = 619,885.26/x - Step 3: Cross multiply
810,161.58x = 1,214,101.47 × 619,885.26 - Step 4: Simplify right side
810,161.58x = 752,603,605,397.33 - Step 5: Solve for x
x = 752,603,605,397.33/810,161.58 - Step 6: Final answer
x = 928,954.94
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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.