Finding the Fourth Proportional to 519,958.79, 717,541.16 and 290,537.02
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Solution
The fourth proportional to 519,958.79, 717,541.16 and 290,537.02 is: 400,939.98
Step by Step Solution
- Step 1: Write the proportion equation
519,958.79 : 717,541.16 = 290,537.02 : x - Step 2: Convert to fraction form
519,958.79/717,541.16 = 290,537.02/x - Step 3: Cross multiply
519,958.79x = 717,541.16 × 290,537.02 - Step 4: Simplify right side
519,958.79x = 208,472,267,107.21 - Step 5: Solve for x
x = 208,472,267,107.21/519,958.79 - Step 6: Final answer
x = 400,939.98
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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.