Finding the Fourth Proportional to 649,362.53, 896,117.69 and 362,882.54
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Solution
The fourth proportional to 649,362.53, 896,117.69 and 362,882.54 is: 500,776.45
Step by Step Solution
- Step 1: Write the proportion equation
649,362.53 : 896,117.69 = 362,882.54 : x - Step 2: Convert to fraction form
649,362.53/896,117.69 = 362,882.54/x - Step 3: Cross multiply
649,362.53x = 896,117.69 × 362,882.54 - Step 4: Simplify right side
649,362.53x = 325,185,457,191.13 - Step 5: Solve for x
x = 325,185,457,191.13/649,362.53 - Step 6: Final answer
x = 500,776.45
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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.