Finding the Fourth Proportional to 758,639.02, 1,137,708.36 and 253,060.68
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Solution
The fourth proportional to 758,639.02, 1,137,708.36 and 253,060.68 is: 379,507.57
Step by Step Solution
- Step 1: Write the proportion equation
758,639.02 : 1,137,708.36 = 253,060.68 : x - Step 2: Convert to fraction form
758,639.02/1,137,708.36 = 253,060.68/x - Step 3: Cross multiply
758,639.02x = 1,137,708.36 × 253,060.68 - Step 4: Simplify right side
758,639.02x = 287,909,251,223.29 - Step 5: Solve for x
x = 287,909,251,223.29/758,639.02 - Step 6: Final answer
x = 379,507.57
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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.