Finding the Fourth Proportional to 659,653.09, 910,323.02 and 357,847.09
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Solution
The fourth proportional to 659,653.09, 910,323.02 and 357,847.09 is: 493,829.94
Step by Step Solution
- Step 1: Write the proportion equation
659,653.09 : 910,323.02 = 357,847.09 : x - Step 2: Convert to fraction form
659,653.09/910,323.02 = 357,847.09/x - Step 3: Cross multiply
659,653.09x = 910,323.02 × 357,847.09 - Step 4: Simplify right side
659,653.09x = 325,756,443,667.01 - Step 5: Solve for x
x = 325,756,443,667.01/659,653.09 - Step 6: Final answer
x = 493,829.94
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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.