Finding the Fourth Proportional to 713,505.68, 1,069,588.92 and 239,859.80
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Solution
The fourth proportional to 713,505.68, 1,069,588.92 and 239,859.80 is: 359,564.60
Step by Step Solution
- Step 1: Write the proportion equation
713,505.68 : 1,069,588.92 = 239,859.80 : x - Step 2: Convert to fraction form
713,505.68/1,069,588.92 = 239,859.80/x - Step 3: Cross multiply
713,505.68x = 1,069,588.92 × 239,859.80 - Step 4: Simplify right side
713,505.68x = 256,551,384,433.42 - Step 5: Solve for x
x = 256,551,384,433.42/713,505.68 - Step 6: Final answer
x = 359,564.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.