Finding the Fourth Proportional to 606,640.40, 906,406.99 and 585,424.91
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Solution
The fourth proportional to 606,640.40, 906,406.99 and 585,424.91 is: 874,708.02
Step by Step Solution
- Step 1: Write the proportion equation
606,640.40 : 906,406.99 = 585,424.91 : x - Step 2: Convert to fraction form
606,640.40/906,406.99 = 585,424.91/x - Step 3: Cross multiply
606,640.40x = 906,406.99 × 585,424.91 - Step 4: Simplify right side
606,640.40x = 530,633,223,084.96 - Step 5: Solve for x
x = 530,633,223,084.96/606,640.40 - Step 6: Final answer
x = 874,708.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.