Finding the Fourth Proportional to 750,471.76, 1,035,651.36 and 406,307.68
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Solution
The fourth proportional to 750,471.76, 1,035,651.36 and 406,307.68 is: 560,704.78
Step by Step Solution
- Step 1: Write the proportion equation
750,471.76 : 1,035,651.36 = 406,307.68 : x - Step 2: Convert to fraction form
750,471.76/1,035,651.36 = 406,307.68/x - Step 3: Cross multiply
750,471.76x = 1,035,651.36 × 406,307.68 - Step 4: Simplify right side
750,471.76x = 420,793,101,370.45 - Step 5: Solve for x
x = 420,793,101,370.45/750,471.76 - Step 6: Final answer
x = 560,704.78
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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.