Finding the Fourth Proportional to 657,908.97, 907,863.71 and 371,457.33
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Solution
The fourth proportional to 657,908.97, 907,863.71 and 371,457.33 is: 512,582.50
Step by Step Solution
- Step 1: Write the proportion equation
657,908.97 : 907,863.71 = 371,457.33 : x - Step 2: Convert to fraction form
657,908.97/907,863.71 = 371,457.33/x - Step 3: Cross multiply
657,908.97x = 907,863.71 × 371,457.33 - Step 4: Simplify right side
657,908.97x = 337,232,627,863.21 - Step 5: Solve for x
x = 337,232,627,863.21/657,908.97 - Step 6: Final answer
x = 512,582.50
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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.