Finding the Fourth Proportional to 440,890.77, 607,865.87 and 285,567.91
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Solution
The fourth proportional to 440,890.77, 607,865.87 and 285,567.91 is: 393,718.80
Step by Step Solution
- Step 1: Write the proportion equation
440,890.77 : 607,865.87 = 285,567.91 : x - Step 2: Convert to fraction form
440,890.77/607,865.87 = 285,567.91/x - Step 3: Cross multiply
440,890.77x = 607,865.87 × 285,567.91 - Step 4: Simplify right side
440,890.77x = 173,586,986,056.23 - Step 5: Solve for x
x = 173,586,986,056.23/440,890.77 - Step 6: Final answer
x = 393,718.80
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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.