Finding the Fourth Proportional to 657,858.16, 907,837.80 and 371,372.08
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Solution
The fourth proportional to 657,858.16, 907,837.80 and 371,372.08 is: 512,489.82
Step by Step Solution
- Step 1: Write the proportion equation
657,858.16 : 907,837.80 = 371,372.08 : x - Step 2: Convert to fraction form
657,858.16/907,837.80 = 371,372.08/x - Step 3: Cross multiply
657,858.16x = 907,837.80 × 371,372.08 - Step 4: Simplify right side
657,858.16x = 337,145,612,088.62 - Step 5: Solve for x
x = 337,145,612,088.62/657,858.16 - Step 6: Final answer
x = 512,489.82
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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.