Finding the Fourth Proportional to 688,760.70, 1,033,209.09 and 215,455.02
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Solution
The fourth proportional to 688,760.70, 1,033,209.09 and 215,455.02 is: 323,203.81
Step by Step Solution
- Step 1: Write the proportion equation
688,760.70 : 1,033,209.09 = 215,455.02 : x - Step 2: Convert to fraction form
688,760.70/1,033,209.09 = 215,455.02/x - Step 3: Cross multiply
688,760.70x = 1,033,209.09 × 215,455.02 - Step 4: Simplify right side
688,760.70x = 222,610,085,150.13 - Step 5: Solve for x
x = 222,610,085,150.13/688,760.70 - Step 6: Final answer
x = 323,203.81
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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.