Finding the Fourth Proportional to 684,794.68, 945,319.34 and 409,249.74
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Solution
The fourth proportional to 684,794.68, 945,319.34 and 409,249.74 is: 564,945.53
Step by Step Solution
- Step 1: Write the proportion equation
684,794.68 : 945,319.34 = 409,249.74 : x - Step 2: Convert to fraction form
684,794.68/945,319.34 = 409,249.74/x - Step 3: Cross multiply
684,794.68x = 945,319.34 × 409,249.74 - Step 4: Simplify right side
684,794.68x = 386,871,694,111.97 - Step 5: Solve for x
x = 386,871,694,111.97/684,794.68 - Step 6: Final answer
x = 564,945.53
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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.