Finding the Fourth Proportional to 635,259.19, 876,659.40 and 348,797.83
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Solution
The fourth proportional to 635,259.19, 876,659.40 and 348,797.83 is: 481,341.95
Step by Step Solution
- Step 1: Write the proportion equation
635,259.19 : 876,659.40 = 348,797.83 : x - Step 2: Convert to fraction form
635,259.19/876,659.40 = 348,797.83/x - Step 3: Cross multiply
635,259.19x = 876,659.40 × 348,797.83 - Step 4: Simplify right side
635,259.19x = 305,776,896,369.10 - Step 5: Solve for x
x = 305,776,896,369.10/635,259.19 - Step 6: Final answer
x = 481,341.95
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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.