Finding the Fourth Proportional to 689,899.93, 1,034,893.75 and 216,603.97
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Solution
The fourth proportional to 689,899.93, 1,034,893.75 and 216,603.97 is: 324,919.73
Step by Step Solution
- Step 1: Write the proportion equation
689,899.93 : 1,034,893.75 = 216,603.97 : x - Step 2: Convert to fraction form
689,899.93/1,034,893.75 = 216,603.97/x - Step 3: Cross multiply
689,899.93x = 1,034,893.75 × 216,603.97 - Step 4: Simplify right side
689,899.93x = 224,162,098,790.66 - Step 5: Solve for x
x = 224,162,098,790.66/689,899.93 - Step 6: Final answer
x = 324,919.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.