Finding the Fourth Proportional to 724,260.75, 999,479.84 and 406,308.75
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Solution
The fourth proportional to 724,260.75, 999,479.84 and 406,308.75 is: 560,706.08
Step by Step Solution
- Step 1: Write the proportion equation
724,260.75 : 999,479.84 = 406,308.75 : x - Step 2: Convert to fraction form
724,260.75/999,479.84 = 406,308.75/x - Step 3: Cross multiply
724,260.75x = 999,479.84 × 406,308.75 - Step 4: Simplify right side
724,260.75x = 406,097,404,440.60 - Step 5: Solve for x
x = 406,097,404,440.60/724,260.75 - Step 6: Final answer
x = 560,706.08
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1.5x scale
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.