Finding the Fourth Proportional to 758,533.68, 1,046,806.74 and 436,243.59
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Solution
The fourth proportional to 758,533.68, 1,046,806.74 and 436,243.59 is: 602,033.56
Step by Step Solution
- Step 1: Write the proportion equation
758,533.68 : 1,046,806.74 = 436,243.59 : x - Step 2: Convert to fraction form
758,533.68/1,046,806.74 = 436,243.59/x - Step 3: Cross multiply
758,533.68x = 1,046,806.74 × 436,243.59 - Step 4: Simplify right side
758,533.68x = 456,662,730,293.80 - Step 5: Solve for x
x = 456,662,730,293.80/758,533.68 - Step 6: Final answer
x = 602,033.56
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1.5x scale
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.