Finding the Fourth Proportional to 525,763.98, 725,568.84 and 321,810.84
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Solution
The fourth proportional to 525,763.98, 725,568.84 and 321,810.84 is: 444,107.86
Step by Step Solution
- Step 1: Write the proportion equation
525,763.98 : 725,568.84 = 321,810.84 : x - Step 2: Convert to fraction form
525,763.98/725,568.84 = 321,810.84/x - Step 3: Cross multiply
525,763.98x = 725,568.84 × 321,810.84 - Step 4: Simplify right side
525,763.98x = 233,495,917,878.23 - Step 5: Solve for x
x = 233,495,917,878.23/525,763.98 - Step 6: Final answer
x = 444,107.86
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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.