Finding the Fourth Proportional to 706,961.12, 975,598.56 and 420,474.88
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Solution
The fourth proportional to 706,961.12, 975,598.56 and 420,474.88 is: 580,250.70
Step by Step Solution
- Step 1: Write the proportion equation
706,961.12 : 975,598.56 = 420,474.88 : x - Step 2: Convert to fraction form
706,961.12/975,598.56 = 420,474.88/x - Step 3: Cross multiply
706,961.12x = 975,598.56 × 420,474.88 - Step 4: Simplify right side
706,961.12x = 410,214,687,444.17 - Step 5: Solve for x
x = 410,214,687,444.17/706,961.12 - Step 6: Final answer
x = 580,250.70
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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.