Finding the Fourth Proportional to 989,033.63, 1,364,866.40 and 536,324.99
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Solution
The fourth proportional to 989,033.63, 1,364,866.40 and 536,324.99 is: 740,128.48
Step by Step Solution
- Step 1: Write the proportion equation
989,033.63 : 1,364,866.40 = 536,324.99 : x - Step 2: Convert to fraction form
989,033.63/1,364,866.40 = 536,324.99/x - Step 3: Cross multiply
989,033.63x = 1,364,866.40 × 536,324.99 - Step 4: Simplify right side
989,033.63x = 732,011,952,847.82 - Step 5: Solve for x
x = 732,011,952,847.82/989,033.63 - Step 6: Final answer
x = 740,128.48
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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.