Finding the Fourth Proportional to 657,010.36, 906,675.36 and 355,204.36
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Solution
The fourth proportional to 657,010.36, 906,675.36 and 355,204.36 is: 490,182.59
Step by Step Solution
- Step 1: Write the proportion equation
657,010.36 : 906,675.36 = 355,204.36 : x - Step 2: Convert to fraction form
657,010.36/906,675.36 = 355,204.36/x - Step 3: Cross multiply
657,010.36x = 906,675.36 × 355,204.36 - Step 4: Simplify right side
657,010.36x = 322,055,040,976.57 - Step 5: Solve for x
x = 322,055,040,976.57/657,010.36 - Step 6: Final answer
x = 490,182.59
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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.