Finding the Fourth Proportional to 748,800.12, 1,033,328.97 and 409,270.80
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Solution
The fourth proportional to 748,800.12, 1,033,328.97 and 409,270.80 is: 564,785.40
Step by Step Solution
- Step 1: Write the proportion equation
748,800.12 : 1,033,328.97 = 409,270.80 : x - Step 2: Convert to fraction form
748,800.12/1,033,328.97 = 409,270.80/x - Step 3: Cross multiply
748,800.12x = 1,033,328.97 × 409,270.80 - Step 4: Simplify right side
748,800.12x = 422,911,374,215.08 - Step 5: Solve for x
x = 422,911,374,215.08/748,800.12 - Step 6: Final answer
x = 564,785.40
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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.