Finding the Fourth Proportional to 631,324.38, 871,246.08 and 344,848.98
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Solution
The fourth proportional to 631,324.38, 871,246.08 and 344,848.98 is: 475,901.66
Step by Step Solution
- Step 1: Write the proportion equation
631,324.38 : 871,246.08 = 344,848.98 : x - Step 2: Convert to fraction form
631,324.38/871,246.08 = 344,848.98/x - Step 3: Cross multiply
631,324.38x = 871,246.08 × 344,848.98 - Step 4: Simplify right side
631,324.38x = 300,448,322,017.00 - Step 5: Solve for x
x = 300,448,322,017.00/631,324.38 - Step 6: Final answer
x = 475,901.66
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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.