Finding the Fourth Proportional to 963,872.35, 1,330,290.38 and 615,163.21
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Solution
The fourth proportional to 963,872.35, 1,330,290.38 and 615,163.21 is: 849,018.75
Step by Step Solution
- Step 1: Write the proportion equation
963,872.35 : 1,330,290.38 = 615,163.21 : x - Step 2: Convert to fraction form
963,872.35/1,330,290.38 = 615,163.21/x - Step 3: Cross multiply
963,872.35x = 1,330,290.38 × 615,163.21 - Step 4: Simplify right side
963,872.35x = 818,345,698,605.10 - Step 5: Solve for x
x = 818,345,698,605.10/963,872.35 - Step 6: Final answer
x = 849,018.75
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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.