Finding the Fourth Proportional to 525,837.68, 725,804.65 and 311,052.41
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Solution
The fourth proportional to 525,837.68, 725,804.65 and 311,052.41 is: 429,340.26
Step by Step Solution
- Step 1: Write the proportion equation
525,837.68 : 725,804.65 = 311,052.41 : x - Step 2: Convert to fraction form
525,837.68/725,804.65 = 311,052.41/x - Step 3: Cross multiply
525,837.68x = 725,804.65 × 311,052.41 - Step 4: Simplify right side
525,837.68x = 225,763,285,571.71 - Step 5: Solve for x
x = 225,763,285,571.71/525,837.68 - Step 6: Final answer
x = 429,340.26
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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.