Finding the Fourth Proportional to 965,723.70, 1,448,585.55 and 716,891.70
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Solution
The fourth proportional to 965,723.70, 1,448,585.55 and 716,891.70 is: 1,075,337.55
Step by Step Solution
- Step 1: Write the proportion equation
965,723.70 : 1,448,585.55 = 716,891.70 : x - Step 2: Convert to fraction form
965,723.70/1,448,585.55 = 716,891.70/x - Step 3: Cross multiply
965,723.70x = 1,448,585.55 × 716,891.70 - Step 4: Simplify right side
965,723.70x = 1,038,478,957,534.94 - Step 5: Solve for x
x = 1,038,478,957,534.94/965,723.70 - Step 6: Final answer
x = 1,075,337.55
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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.