Finding the Fourth Proportional to 694,145.81, 957,881.26 and 384,029.75
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Solution
The fourth proportional to 694,145.81, 957,881.26 and 384,029.75 is: 529,938.95
Step by Step Solution
- Step 1: Write the proportion equation
694,145.81 : 957,881.26 = 384,029.75 : x - Step 2: Convert to fraction form
694,145.81/957,881.26 = 384,029.75/x - Step 3: Cross multiply
694,145.81x = 957,881.26 × 384,029.75 - Step 4: Simplify right side
694,145.81x = 367,854,903,682.23 - Step 5: Solve for x
x = 367,854,903,682.23/694,145.81 - Step 6: Final answer
x = 529,938.95
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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.