Finding the Fourth Proportional to 899,109.36, 1,349,327.70 and 425,793.96
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Solution
The fourth proportional to 899,109.36, 1,349,327.70 and 425,793.96 is: 639,005.23
Step by Step Solution
- Step 1: Write the proportion equation
899,109.36 : 1,349,327.70 = 425,793.96 : x - Step 2: Convert to fraction form
899,109.36/1,349,327.70 = 425,793.96/x - Step 3: Cross multiply
899,109.36x = 1,349,327.70 × 425,793.96 - Step 4: Simplify right side
899,109.36x = 574,535,584,720.69 - Step 5: Solve for x
x = 574,535,584,720.69/899,109.36 - Step 6: Final answer
x = 639,005.23
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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.