Finding the Fourth Proportional to 654,908.24, 903,764.36 and 368,428.24
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Solution
The fourth proportional to 654,908.24, 903,764.36 and 368,428.24 is: 508,425.90
Step by Step Solution
- Step 1: Write the proportion equation
654,908.24 : 903,764.36 = 368,428.24 : x - Step 2: Convert to fraction form
654,908.24/903,764.36 = 368,428.24/x - Step 3: Cross multiply
654,908.24x = 903,764.36 × 368,428.24 - Step 4: Simplify right side
654,908.24x = 332,972,312,529.53 - Step 5: Solve for x
x = 332,972,312,529.53/654,908.24 - Step 6: Final answer
x = 508,425.90
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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.