Finding the Fourth Proportional to 648,134.20, 972,201.30 and 608,735.80
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Solution
The fourth proportional to 648,134.20, 972,201.30 and 608,735.80 is: 913,103.70
Step by Step Solution
- Step 1: Write the proportion equation
648,134.20 : 972,201.30 = 608,735.80 : x - Step 2: Convert to fraction form
648,134.20/972,201.30 = 608,735.80/x - Step 3: Cross multiply
648,134.20x = 972,201.30 × 608,735.80 - Step 4: Simplify right side
648,134.20x = 591,813,736,116.54 - Step 5: Solve for x
x = 591,813,736,116.54/648,134.20 - Step 6: Final answer
x = 913,103.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.