Finding the Fourth Proportional to 906,281.99, 1,250,642.70 and 498,383.41
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Solution
The fourth proportional to 906,281.99, 1,250,642.70 and 498,383.41 is: 687,754.56
Step by Step Solution
- Step 1: Write the proportion equation
906,281.99 : 1,250,642.70 = 498,383.41 : x - Step 2: Convert to fraction form
906,281.99/1,250,642.70 = 498,383.41/x - Step 3: Cross multiply
906,281.99x = 1,250,642.70 × 498,383.41 - Step 4: Simplify right side
906,281.99x = 623,299,570,391.00 - Step 5: Solve for x
x = 623,299,570,391.00/906,281.99 - Step 6: Final answer
x = 687,754.56
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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.