Finding the Fourth Proportional to 705,057.99, 972,990.14 and 382,768.71
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Solution
The fourth proportional to 705,057.99, 972,990.14 and 382,768.71 is: 528,226.31
Step by Step Solution
- Step 1: Write the proportion equation
705,057.99 : 972,990.14 = 382,768.71 : x - Step 2: Convert to fraction form
705,057.99/972,990.14 = 382,768.71/x - Step 3: Cross multiply
705,057.99x = 972,990.14 × 382,768.71 - Step 4: Simplify right side
705,057.99x = 372,430,178,816.68 - Step 5: Solve for x
x = 372,430,178,816.68/705,057.99 - Step 6: Final answer
x = 528,226.31
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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.