Finding the Fourth Proportional to 649,316.21, 896,039.10 and 362,838.65
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Solution
The fourth proportional to 649,316.21, 896,039.10 and 362,838.65 is: 500,707.68
Step by Step Solution
- Step 1: Write the proportion equation
649,316.21 : 896,039.10 = 362,838.65 : x - Step 2: Convert to fraction form
649,316.21/896,039.10 = 362,838.65/x - Step 3: Cross multiply
649,316.21x = 896,039.10 × 362,838.65 - Step 4: Simplify right side
649,316.21x = 325,117,612,911.02 - Step 5: Solve for x
x = 325,117,612,911.02/649,316.21 - Step 6: Final answer
x = 500,707.68
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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.