Finding the Fourth Proportional to 939,877.13, 1,409,823.29 and 265,980.42
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Solution
The fourth proportional to 939,877.13, 1,409,823.29 and 265,980.42 is: 398,972.78
Step by Step Solution
- Step 1: Write the proportion equation
939,877.13 : 1,409,823.29 = 265,980.42 : x - Step 2: Convert to fraction form
939,877.13/1,409,823.29 = 265,980.42/x - Step 3: Cross multiply
939,877.13x = 1,409,823.29 × 265,980.42 - Step 4: Simplify right side
939,877.13x = 374,985,391,464.93 - Step 5: Solve for x
x = 374,985,391,464.93/939,877.13 - Step 6: Final answer
x = 398,972.78
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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.