Finding the Fourth Proportional to 507,986.74, 701,029.60 and 278,564.97
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Solution
The fourth proportional to 507,986.74, 701,029.60 and 278,564.97 is: 384,423.99
Step by Step Solution
- Step 1: Write the proportion equation
507,986.74 : 701,029.60 = 278,564.97 : x - Step 2: Convert to fraction form
507,986.74/701,029.60 = 278,564.97/x - Step 3: Cross multiply
507,986.74x = 701,029.60 × 278,564.97 - Step 4: Simplify right side
507,986.74x = 195,282,289,493.11 - Step 5: Solve for x
x = 195,282,289,493.11/507,986.74 - Step 6: Final answer
x = 384,423.99
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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.