Finding the Fourth Proportional to 939,317.70, 1,407,821.84 and 433,176.03
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Solution
The fourth proportional to 939,317.70, 1,407,821.84 and 433,176.03 is: 649,231.54
Step by Step Solution
- Step 1: Write the proportion equation
939,317.70 : 1,407,821.84 = 433,176.03 : x - Step 2: Convert to fraction form
939,317.70/1,407,821.84 = 433,176.03/x - Step 3: Cross multiply
939,317.70x = 1,407,821.84 × 433,176.03 - Step 4: Simplify right side
939,317.70x = 609,834,673,432.62 - Step 5: Solve for x
x = 609,834,673,432.62/939,317.70 - Step 6: Final answer
x = 649,231.54
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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.