Finding the Fourth Proportional to 654,657.70, 979,912.95 and 468,033.70
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Solution
The fourth proportional to 654,657.70, 979,912.95 and 468,033.70 is: 700,568.07
Step by Step Solution
- Step 1: Write the proportion equation
654,657.70 : 979,912.95 = 468,033.70 : x - Step 2: Convert to fraction form
654,657.70/979,912.95 = 468,033.70/x - Step 3: Cross multiply
654,657.70x = 979,912.95 × 468,033.70 - Step 4: Simplify right side
654,657.70x = 458,632,283,666.42 - Step 5: Solve for x
x = 458,632,283,666.42/654,657.70 - Step 6: Final answer
x = 700,568.07
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1.5x scale
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.