Finding the Fourth Proportional to 657,606.75, 907,497.36 and 355,800.75
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Solution
The fourth proportional to 657,606.75, 907,497.36 and 355,800.75 is: 491,005.06
Step by Step Solution
- Step 1: Write the proportion equation
657,606.75 : 907,497.36 = 355,800.75 : x - Step 2: Convert to fraction form
657,606.75/907,497.36 = 355,800.75/x - Step 3: Cross multiply
657,606.75x = 907,497.36 × 355,800.75 - Step 4: Simplify right side
657,606.75x = 322,888,241,311.02 - Step 5: Solve for x
x = 322,888,241,311.02/657,606.75 - Step 6: Final answer
x = 491,005.06
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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.