Finding the Fourth Proportional to 939,252.99, 1,408,938.11 and 265,386.05
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Solution
The fourth proportional to 939,252.99, 1,408,938.11 and 265,386.05 is: 398,095.64
Step by Step Solution
- Step 1: Write the proportion equation
939,252.99 : 1,408,938.11 = 265,386.05 : x - Step 2: Convert to fraction form
939,252.99/1,408,938.11 = 265,386.05/x - Step 3: Cross multiply
939,252.99x = 1,408,938.11 × 265,386.05 - Step 4: Simplify right side
939,252.99x = 373,912,519,707.37 - Step 5: Solve for x
x = 373,912,519,707.37/939,252.99 - Step 6: Final answer
x = 398,095.64
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1.5x scale
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.