Finding the Fourth Proportional to 657,774.06, 907,729.11 and 355,968.06
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Solution
The fourth proportional to 657,774.06, 907,729.11 and 355,968.06 is: 491,236.41
Step by Step Solution
- Step 1: Write the proportion equation
657,774.06 : 907,729.11 = 355,968.06 : x - Step 2: Convert to fraction form
657,774.06/907,729.11 = 355,968.06/x - Step 3: Cross multiply
657,774.06x = 907,729.11 × 355,968.06 - Step 4: Simplify right side
657,774.06x = 323,122,570,292.23 - Step 5: Solve for x
x = 323,122,570,292.23/657,774.06 - Step 6: Final answer
x = 491,236.41
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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.