Finding the Fourth Proportional to 921,496.01, 1,382,866.79 and 322,462.35
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Solution
The fourth proportional to 921,496.01, 1,382,866.79 and 322,462.35 is: 483,911.45
Step by Step Solution
- Step 1: Write the proportion equation
921,496.01 : 1,382,866.79 = 322,462.35 : x - Step 2: Convert to fraction form
921,496.01/1,382,866.79 = 322,462.35/x - Step 3: Cross multiply
921,496.01x = 1,382,866.79 × 322,462.35 - Step 4: Simplify right side
921,496.01x = 445,922,474,840.36 - Step 5: Solve for x
x = 445,922,474,840.36/921,496.01 - Step 6: Final answer
x = 483,911.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.