Finding the Fourth Proportional to 525,519.97, 725,232.08 and 321,567.23
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Solution
The fourth proportional to 525,519.97, 725,232.08 and 321,567.23 is: 443,771.67
Step by Step Solution
- Step 1: Write the proportion equation
525,519.97 : 725,232.08 = 321,567.23 : x - Step 2: Convert to fraction form
525,519.97/725,232.08 = 321,567.23/x - Step 3: Cross multiply
525,519.97x = 725,232.08 × 321,567.23 - Step 4: Simplify right side
525,519.97x = 233,210,873,689.74 - Step 5: Solve for x
x = 233,210,873,689.74/525,519.97 - Step 6: Final answer
x = 443,771.67
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1.5x scale
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.