Finding the Fourth Proportional to 436,988.16, 655,605.36 and 395,347.68
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Solution
The fourth proportional to 436,988.16, 655,605.36 and 395,347.68 is: 593,132.91
Step by Step Solution
- Step 1: Write the proportion equation
436,988.16 : 655,605.36 = 395,347.68 : x - Step 2: Convert to fraction form
436,988.16/655,605.36 = 395,347.68/x - Step 3: Cross multiply
436,988.16x = 655,605.36 × 395,347.68 - Step 4: Simplify right side
436,988.16x = 259,192,058,071.57 - Step 5: Solve for x
x = 259,192,058,071.57/436,988.16 - Step 6: Final answer
x = 593,132.91
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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.