Finding the Fourth Proportional to 757,785.12, 1,130,466.36 and 737,191.68
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Solution
The fourth proportional to 757,785.12, 1,130,466.36 and 737,191.68 is: 1,099,745.00
Step by Step Solution
- Step 1: Write the proportion equation
757,785.12 : 1,130,466.36 = 737,191.68 : x - Step 2: Convert to fraction form
757,785.12/1,130,466.36 = 737,191.68/x - Step 3: Cross multiply
757,785.12x = 1,130,466.36 × 737,191.68 - Step 4: Simplify right side
757,785.12x = 833,370,395,111.89 - Step 5: Solve for x
x = 833,370,395,111.89/757,785.12 - Step 6: Final answer
x = 1,099,745.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.