Finding the Fourth Proportional to 906,756.48, 1,251,323.92 and 498,849.55
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Solution
The fourth proportional to 906,756.48, 1,251,323.92 and 498,849.55 is: 688,412.37
Step by Step Solution
- Step 1: Write the proportion equation
906,756.48 : 1,251,323.92 = 498,849.55 : x - Step 2: Convert to fraction form
906,756.48/1,251,323.92 = 498,849.55/x - Step 3: Cross multiply
906,756.48x = 1,251,323.92 × 498,849.55 - Step 4: Simplify right side
906,756.48x = 624,222,374,396.24 - Step 5: Solve for x
x = 624,222,374,396.24/906,756.48 - Step 6: Final answer
x = 688,412.37
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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.