Finding the Fourth Proportional to 650,987.94, 898,469.70 and 389,326.08
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Solution
The fourth proportional to 650,987.94, 898,469.70 and 389,326.08 is: 537,333.59
Step by Step Solution
- Step 1: Write the proportion equation
650,987.94 : 898,469.70 = 389,326.08 : x - Step 2: Convert to fraction form
650,987.94/898,469.70 = 389,326.08/x - Step 3: Cross multiply
650,987.94x = 898,469.70 × 389,326.08 - Step 4: Simplify right side
650,987.94x = 349,797,686,299.78 - Step 5: Solve for x
x = 349,797,686,299.78/650,987.94 - Step 6: Final answer
x = 537,333.59
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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.