Finding the Fourth Proportional to 539,031.97, 743,867.63 and 297,321.07
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Solution
The fourth proportional to 539,031.97, 743,867.63 and 297,321.07 is: 410,305.01
Step by Step Solution
- Step 1: Write the proportion equation
539,031.97 : 743,867.63 = 297,321.07 : x - Step 2: Convert to fraction form
539,031.97/743,867.63 = 297,321.07/x - Step 3: Cross multiply
539,031.97x = 743,867.63 × 297,321.07 - Step 4: Simplify right side
539,031.97x = 221,167,519,689.96 - Step 5: Solve for x
x = 221,167,519,689.96/539,031.97 - Step 6: Final answer
x = 410,305.01
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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.