Finding the Fourth Proportional to 918,919.29, 1,378,465.38 and 270,495.91
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Solution
The fourth proportional to 918,919.29, 1,378,465.38 and 270,495.91 is: 405,769.31
Step by Step Solution
- Step 1: Write the proportion equation
918,919.29 : 1,378,465.38 = 270,495.91 : x - Step 2: Convert to fraction form
918,919.29/1,378,465.38 = 270,495.91/x - Step 3: Cross multiply
918,919.29x = 1,378,465.38 × 270,495.91 - Step 4: Simplify right side
918,919.29x = 372,869,246,485.55 - Step 5: Solve for x
x = 372,869,246,485.55/918,919.29 - Step 6: Final answer
x = 405,769.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.