Finding the Fourth Proportional to 819,937.98, 1,131,516.18 and 457,352.52
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Solution
The fourth proportional to 819,937.98, 1,131,516.18 and 457,352.52 is: 631,147.46
Step by Step Solution
- Step 1: Write the proportion equation
819,937.98 : 1,131,516.18 = 457,352.52 : x - Step 2: Convert to fraction form
819,937.98/1,131,516.18 = 457,352.52/x - Step 3: Cross multiply
819,937.98x = 1,131,516.18 × 457,352.52 - Step 4: Simplify right side
819,937.98x = 517,501,776,343.77 - Step 5: Solve for x
x = 517,501,776,343.77/819,937.98 - Step 6: Final answer
x = 631,147.46
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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.