Finding the Fourth Proportional to 709,554.40, 980,251.36 and 465,119.44
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Solution
The fourth proportional to 709,554.40, 980,251.36 and 465,119.44 is: 642,563.79
Step by Step Solution
- Step 1: Write the proportion equation
709,554.40 : 980,251.36 = 465,119.44 : x - Step 2: Convert to fraction form
709,554.40/980,251.36 = 465,119.44/x - Step 3: Cross multiply
709,554.40x = 980,251.36 × 465,119.44 - Step 4: Simplify right side
709,554.40x = 455,933,963,622.44 - Step 5: Solve for x
x = 455,933,963,622.44/709,554.40 - Step 6: Final answer
x = 642,563.79
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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.