Finding the Fourth Proportional to 539,316.56, 744,108.36 and 324,426.80
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Solution
The fourth proportional to 539,316.56, 744,108.36 and 324,426.80 is: 447,619.66
Step by Step Solution
- Step 1: Write the proportion equation
539,316.56 : 744,108.36 = 324,426.80 : x - Step 2: Convert to fraction form
539,316.56/744,108.36 = 324,426.80/x - Step 3: Cross multiply
539,316.56x = 744,108.36 × 324,426.80 - Step 4: Simplify right side
539,316.56x = 241,408,694,088.05 - Step 5: Solve for x
x = 241,408,694,088.05/539,316.56 - Step 6: Final answer
x = 447,619.66
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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.