Finding the Fourth Proportional to 555,720.70, 780,108.50 and 555,720.70
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Solution
The fourth proportional to 555,720.70, 780,108.50 and 555,720.70 is: 780,108.50
Step by Step Solution
- Step 1: Write the proportion equation
555,720.70 : 780,108.50 = 555,720.70 : x - Step 2: Convert to fraction form
555,720.70/780,108.50 = 555,720.70/x - Step 3: Cross multiply
555,720.70x = 780,108.50 × 555,720.70 - Step 4: Simplify right side
555,720.70x = 433,522,441,695.95 - Step 5: Solve for x
x = 433,522,441,695.95/555,720.70 - Step 6: Final answer
x = 780,108.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.