Finding the Fourth Proportional to 657,293.94, 907,107.12 and 370,709.46
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Solution
The fourth proportional to 657,293.94, 907,107.12 and 370,709.46 is: 511,602.45
Step by Step Solution
- Step 1: Write the proportion equation
657,293.94 : 907,107.12 = 370,709.46 : x - Step 2: Convert to fraction form
657,293.94/907,107.12 = 370,709.46/x - Step 3: Cross multiply
657,293.94x = 907,107.12 × 370,709.46 - Step 4: Simplify right side
657,293.94x = 336,273,190,617.36 - Step 5: Solve for x
x = 336,273,190,617.36/657,293.94 - Step 6: Final answer
x = 511,602.45
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1.5x scale
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.