Finding the Fourth Proportional to 657,616.97, 907,493.04 and 371,163.71
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Solution
The fourth proportional to 657,616.97, 907,493.04 and 371,163.71 is: 512,195.55
Step by Step Solution
- Step 1: Write the proportion equation
657,616.97 : 907,493.04 = 371,163.71 : x - Step 2: Convert to fraction form
657,616.97/907,493.04 = 371,163.71/x - Step 3: Cross multiply
657,616.97x = 907,493.04 × 371,163.71 - Step 4: Simplify right side
657,616.97x = 336,828,485,794.31 - Step 5: Solve for x
x = 336,828,485,794.31/657,616.97 - Step 6: Final answer
x = 512,195.55
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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.