Finding the Fourth Proportional to 660,944.81, 912,104.75 and 374,484.26
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Solution
The fourth proportional to 660,944.81, 912,104.75 and 374,484.26 is: 516,788.80
Step by Step Solution
- Step 1: Write the proportion equation
660,944.81 : 912,104.75 = 374,484.26 : x - Step 2: Convert to fraction form
660,944.81/912,104.75 = 374,484.26/x - Step 3: Cross multiply
660,944.81x = 912,104.75 × 374,484.26 - Step 4: Simplify right side
660,944.81x = 341,568,875,562.71 - Step 5: Solve for x
x = 341,568,875,562.71/660,944.81 - Step 6: Final answer
x = 516,788.80
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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.