Finding the Fourth Proportional to 539,157.75, 744,037.71 and 300,693.75
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Solution
The fourth proportional to 539,157.75, 744,037.71 and 300,693.75 is: 414,957.38
Step by Step Solution
- Step 1: Write the proportion equation
539,157.75 : 744,037.71 = 300,693.75 : x - Step 2: Convert to fraction form
539,157.75/744,037.71 = 300,693.75/x - Step 3: Cross multiply
539,157.75x = 744,037.71 × 300,693.75 - Step 4: Simplify right side
539,157.75x = 223,727,489,161.31 - Step 5: Solve for x
x = 223,727,489,161.31/539,157.75 - Step 6: Final answer
x = 414,957.38
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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.