Finding the Fourth Proportional to 654,908.06, 903,771.60 and 368,428.08
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Solution
The fourth proportional to 654,908.06, 903,771.60 and 368,428.08 is: 508,429.89
Step by Step Solution
- Step 1: Write the proportion equation
654,908.06 : 903,771.60 = 368,428.08 : x - Step 2: Convert to fraction form
654,908.06/903,771.60 = 368,428.08/x - Step 3: Cross multiply
654,908.06x = 903,771.60 × 368,428.08 - Step 4: Simplify right side
654,908.06x = 332,974,835,346.53 - Step 5: Solve for x
x = 332,974,835,346.53/654,908.06 - Step 6: Final answer
x = 508,429.89
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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.