Finding the Fourth Proportional to 963,993.93, 1,330,007.63 and 556,041.08
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Solution
The fourth proportional to 963,993.93, 1,330,007.63 and 556,041.08 is: 767,161.33
Step by Step Solution
- Step 1: Write the proportion equation
963,993.93 : 1,330,007.63 = 556,041.08 : x - Step 2: Convert to fraction form
963,993.93/1,330,007.63 = 556,041.08/x - Step 3: Cross multiply
963,993.93x = 1,330,007.63 × 556,041.08 - Step 4: Simplify right side
963,993.93x = 739,538,869,563.20 - Step 5: Solve for x
x = 739,538,869,563.20/963,993.93 - Step 6: Final answer
x = 767,161.33
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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.