Finding the Fourth Proportional to 657,334.17, 907,121.16 and 355,528.17
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Solution
The fourth proportional to 657,334.17, 907,121.16 and 355,528.17 is: 490,628.88
Step by Step Solution
- Step 1: Write the proportion equation
657,334.17 : 907,121.16 = 355,528.17 : x - Step 2: Convert to fraction form
657,334.17/907,121.16 = 355,528.17/x - Step 3: Cross multiply
657,334.17x = 907,121.16 × 355,528.17 - Step 4: Simplify right side
657,334.17x = 322,507,125,983.08 - Step 5: Solve for x
x = 322,507,125,983.08/657,334.17 - Step 6: Final answer
x = 490,628.88
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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.