Finding the Fourth Proportional to 702,975.96, 970,107.36 and 380,686.38
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Solution
The fourth proportional to 702,975.96, 970,107.36 and 380,686.38 is: 525,347.49
Step by Step Solution
- Step 1: Write the proportion equation
702,975.96 : 970,107.36 = 380,686.38 : x - Step 2: Convert to fraction form
702,975.96/970,107.36 = 380,686.38/x - Step 3: Cross multiply
702,975.96x = 970,107.36 × 380,686.38 - Step 4: Simplify right side
702,975.96x = 369,306,659,089.76 - Step 5: Solve for x
x = 369,306,659,089.76/702,975.96 - Step 6: Final answer
x = 525,347.49
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1.5x scale
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.