Finding the Fourth Proportional to 654,906.06, 903,768.84 and 368,426.07
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Solution
The fourth proportional to 654,906.06, 903,768.84 and 368,426.07 is: 508,427.12
Step by Step Solution
- Step 1: Write the proportion equation
654,906.06 : 903,768.84 = 368,426.07 : x - Step 2: Convert to fraction form
654,906.06/903,768.84 = 368,426.07/x - Step 3: Cross multiply
654,906.06x = 903,768.84 × 368,426.07 - Step 4: Simplify right side
654,906.06x = 332,972,001,909.66 - Step 5: Solve for x
x = 332,972,001,909.66/654,906.06 - Step 6: Final answer
x = 508,427.12
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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.