Finding the Fourth Proportional to 750,103.67, 1,035,134.99 and 405,931.99
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Solution
The fourth proportional to 750,103.67, 1,035,134.99 and 405,931.99 is: 560,181.78
Step by Step Solution
- Step 1: Write the proportion equation
750,103.67 : 1,035,134.99 = 405,931.99 : x - Step 2: Convert to fraction form
750,103.67/1,035,134.99 = 405,931.99/x - Step 3: Cross multiply
750,103.67x = 1,035,134.99 × 405,931.99 - Step 4: Simplify right side
750,103.67x = 420,194,406,409.33 - Step 5: Solve for x
x = 420,194,406,409.33/750,103.67 - Step 6: Final answer
x = 560,181.78
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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.