Finding the Fourth Proportional to 539,351.69, 744,321.09 and 297,649.88
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Solution
The fourth proportional to 539,351.69, 744,321.09 and 297,649.88 is: 410,765.53
Step by Step Solution
- Step 1: Write the proportion equation
539,351.69 : 744,321.09 = 297,649.88 : x - Step 2: Convert to fraction form
539,351.69/744,321.09 = 297,649.88/x - Step 3: Cross multiply
539,351.69x = 744,321.09 × 297,649.88 - Step 4: Simplify right side
539,351.69x = 221,547,083,119.97 - Step 5: Solve for x
x = 221,547,083,119.97/539,351.69 - Step 6: Final answer
x = 410,765.53
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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.