Finding the Fourth Proportional to 910,949.68, 1,257,110.40 and 508,541.68
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Solution
The fourth proportional to 910,949.68, 1,257,110.40 and 508,541.68 is: 701,787.43
Step by Step Solution
- Step 1: Write the proportion equation
910,949.68 : 1,257,110.40 = 508,541.68 : x - Step 2: Convert to fraction form
910,949.68/1,257,110.40 = 508,541.68/x - Step 3: Cross multiply
910,949.68x = 1,257,110.40 × 508,541.68 - Step 4: Simplify right side
910,949.68x = 639,293,034,761.47 - Step 5: Solve for x
x = 639,293,034,761.47/910,949.68 - Step 6: Final answer
x = 701,787.43
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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.