Finding the Fourth Proportional to 605,767.60, 906,901.80 and 369,571.60
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Solution
The fourth proportional to 605,767.60, 906,901.80 and 369,571.60 is: 553,289.99
Step by Step Solution
- Step 1: Write the proportion equation
605,767.60 : 906,901.80 = 369,571.60 : x - Step 2: Convert to fraction form
605,767.60/906,901.80 = 369,571.60/x - Step 3: Cross multiply
605,767.60x = 906,901.80 × 369,571.60 - Step 4: Simplify right side
605,767.60x = 335,165,149,268.88 - Step 5: Solve for x
x = 335,165,149,268.88/605,767.60 - Step 6: Final answer
x = 553,289.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.