Finding the Fourth Proportional to 516,888.41, 713,201.42 and 301,986.90
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Solution
The fourth proportional to 516,888.41, 713,201.42 and 301,986.90 is: 416,680.82
Step by Step Solution
- Step 1: Write the proportion equation
516,888.41 : 713,201.42 = 301,986.90 : x - Step 2: Convert to fraction form
516,888.41/713,201.42 = 301,986.90/x - Step 3: Cross multiply
516,888.41x = 713,201.42 × 301,986.90 - Step 4: Simplify right side
516,888.41x = 215,377,484,391.46 - Step 5: Solve for x
x = 215,377,484,391.46/516,888.41 - Step 6: Final answer
x = 416,680.82
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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.