Finding the Fourth Proportional to 938,457.16, 1,295,573.42 and 734,073.84
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Solution
The fourth proportional to 938,457.16, 1,295,573.42 and 734,073.84 is: 1,013,414.99
Step by Step Solution
- Step 1: Write the proportion equation
938,457.16 : 1,295,573.42 = 734,073.84 : x - Step 2: Convert to fraction form
938,457.16/1,295,573.42 = 734,073.84/x - Step 3: Cross multiply
938,457.16x = 1,295,573.42 × 734,073.84 - Step 4: Simplify right side
938,457.16x = 951,046,555,421.33 - Step 5: Solve for x
x = 951,046,555,421.33/938,457.16 - Step 6: Final answer
x = 1,013,414.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.