Finding the Fourth Proportional to 649,416.11, 896,221.91 and 362,936.19
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Solution
The fourth proportional to 649,416.11, 896,221.91 and 362,936.19 is: 500,867.41
Step by Step Solution
- Step 1: Write the proportion equation
649,416.11 : 896,221.91 = 362,936.19 : x - Step 2: Convert to fraction form
649,416.11/896,221.91 = 362,936.19/x - Step 3: Cross multiply
649,416.11x = 896,221.91 × 362,936.19 - Step 4: Simplify right side
649,416.11x = 325,271,366,317.26 - Step 5: Solve for x
x = 325,271,366,317.26/649,416.11 - Step 6: Final answer
x = 500,867.41
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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.